Pink eye, or conjunctivitis, is a common and often uncomfortable condition characterized by inflammation of the conjunctiva, the thin membrane covering the white part of the eye. While it’s typically caused by bacteria, viruses, allergens, or irritants, there’s a long-standing urban legend that suggests a rather unconventional culprit: flatulence.

Yes, you read that right. Farting — the natural, albeit sometimes embarrassing, bodily function — has been implicated in the spread of pink eye. But is there any truth to this claim, or is it merely a humorous myth passed down through generations?

Let’s take a closer look at the science behind this eyebrow-raising notion to determine whether there’s any merit to the idea that passing gas could lead to a case of conjunctivitis and uncover the answer to the burning question: Can you get pink eye from a fart?

Key Points

• Pink eye, also called conjunctivitis, refers to any inflammatory condition of the membrane that lines the eye.
• The most common types of conjunctivitis are viral, bacterial and allergic.
• The treatment for pink eye depends on the cause but may include topical eye drops, warm or cold compresses, artificial tears, and good hygiene.

What is Pink Eye?

Pink eye is redness of the sclera, the white part of the eye.¹ Conjunctivitis refers to an inflammatory condition of the membrane that lines the eyelids and covers the exposed surface of the sclera. A pink eye diagnosis is nonspecific. A doctor trained in ophthalmology or optometry can diagnose the type of pink eye based on patient history, symptoms, and an examination of the eye. Patients with a new pink or red eye should seek eyecare immediately.

According to the Cleveland Clinic, there are an estimated 6 million cases of pink eye each year.²

What are Common Causes of Pink Eye?

The three most common causes of pink eye are allergens, viruses or bacteria.

Allergic Conjunctivitis

Allergic conjunctivitis is a common immunological hypersensitivity disorder that affects up to 40% of the population, often called an allergic reaction. Rhinitis (a “runny nose”) frequently presents with allergic conjunctivitis. The number of patients with allergic conjunctivitis has substantially increased and initial presentation includes itching and swelling of the eyes that impact one’s quality of life. Only 10% of patients see a doctor for ocular allergies because they manage symptoms themselves with over-the-counter therapies.

Often, a general practitioner under-treats or misdiagnoses ocular allergies. Itching and blurry vision are the most common symptoms of ocular allergy and they often occur simultaneously with nasal symptoms.³

Papillae are visible around the superior limbus of the conjunctiva of the eye in new, acute cases and may lead to cobblestoning and limbal lesions known as Horner-Trantas (Trantas’) dots containing eosinophils. In contrast, trantas’ dots are signs of chronic ocular allergies like vernal keratoconjunctivitis and atopic keratoconjunctivitis. Stringy mucus threads are a common feature of chronic forms of conjunctivitis.²

Allergic conjunctivitis can be seasonal or perennial based on the presence of the allergen. Perennial allergens are often dust mites or animal dander.

Viral Conjunctivitis

Viral conjunctivitis is the most common infectious cause of pink eye. The symptoms may vary and are likely to resolve on their own without treatment.³ The most common symptoms are watery mucus discharge and bumps on the underside of the lid called follicles. Patients with viral conjunctivitis often have a history of recent illness.

• Common Cold
  The common cold can cause viral conjunctivitis. Consequently, the patient may have systemic symptoms including runny nose, sore throat or cough.
• Coronavirus
  Patients with a SARS-CoV2 infection can present with viral conjunctivitis because coronaviruses present in tears according to the CDC. Many investigations conclude the infection of SARS-CoV and HCoV-NL63 into human cells is mediated by more receptors than ACE2, although the exact mechanism remains unknown. SARS-CoV-2 viruses find the ACE2 receptor on corneal epithelium cells via the help of HSPG receptors in the eye’s extracellular matrix.⁴
• Herpes
  Herpes simplex virus type 1 is the cause of the herpes simplex ocular virus and cold sores. Typically, herpes simplex affects one eye upon virus reactivation. HSV can cause scarring of the cornea leading to vision loss if not treated.⁵

Bacterial Conjunctivitis

Bacterial conjunctivitis is the second most common cause of infectious conjunctivitis but most cases resolve in 1 to 2 weeks. Eyelash mattering and sticky eyelids on waking without itching are typical symptoms.³ However, the discharge tends to be more green/yellow color when compared to the watery discharge present with viral conjunctivitis.

Finally, gonorrhea, a type of sexually transmitted disease, is estimated to affect 86.9 million adults.⁶ The ocular discharge is very mucopurulent which means it tends to be thick and cloudy.

Dry Eye

Dry eye has similar symptoms and is often misdiagnosed as pink eye. Its prevalence around the world varies from 5% to 34%.⁷ A trained eye care provider performs a slit lamp exam to differentiate dry eye from conjunctivitis.

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Symptoms of Pink Eye

Symptoms vary by the type of pink eye but may include:

• Blurry vision
• Mattering
• Watery eyes
• Pink or red color of the white part of the eye (sclera)
• Swelling of the conjunctiva, which lines the sclera
• Irritation or burning

Can You Get Pink Eye from a Fart?

As you have learned, pink eye is the result of a virus, bacteria or an allergic reaction. While, flatulence, commonly called “farting” is passing gas from the digestive system from the body. Flatulence is a normal biological process when food is digested resulting in a buildup of gas. Furthermore, methane is a byproduct of the digestion process expelled from the body by flatulence or exhaling.

Flatulence usually only has a bad smell if it contains sulfur gas. Expelled gas is not able to cause pink eye and you cannot get pink eye from a fart.⁸

Viruses and bacteria can be very contagious and can spread from person to person in different ways. Specifically, germs are spread through close contact like touching or shaking hands, through air by coughing and sneezing, or by touching an object or surface with germs on it and then touching your eyes prior to washing your hands.⁹

Conjunctivitis Treatment

The treatment for conjunctivitis depends on the cause. Generally, doctors recommend you wash your pillowcases, practice good hygiene like hand washing, and discontinue your contact lenses during treatment.

Allergic Conjunctivitis

Allergic conjunctivitis treatment typically begins with avoiding the allergen, cool compresses and artificial tears. Topical antihistamines eye drops like Pataday or Lastacaft treat chronic symptoms. Still, some providers will recommend additional therapies like decongestants, mast cell stabilizers, or nonsteroidal anti-inflammatory drugs (NSAIDS). For more advanced cases, topical steroids offer short-term treatment.²

Additionally, a physician may order an allergy tests to provide evidence of an allergic basis for the patient’s symptoms.²

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Bacterial Conjunctivitis

Treating bacterial conjunctivitis with a topical antibiotic will reduce symptoms and allow an earlier return to school or work. In cases of suspected conjunctivitis secondary to sexually transmitted diseases such as chlamydia and gonorrhea, systemic treatment in required in addition to topical antibiotic therapy.³

Viral Conjunctivitis

Artificial tears will soothe an eye with a viral infection. A cool washcloth or a CorneaCare Self-Cooling Cold Compress can improve the look and feel of the eyes by constricting the blood vessels. Eyelid wipes remove any debris and mucus on the eyelashes.

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Can You Get Pink Eye from a Fart FAQ

Putting It All Together

It’s clear that while the idea of contracting pink eye from a fart may elicit laughter or incredulity, it lacks substantial scientific support. While flatulence does contain bacteria and other microorganisms, the likelihood of these pathogens causing conjunctivitis through direct contact with the eyes is incredibly low.

Instead, the spread of pink eye is far more commonly associated with direct contact with infected respiratory secretions, contaminated objects, or surfaces. Practicing good hygiene, such as regularly washing hands and avoiding touching the face, remains the most effective way to prevent the transmission of pink eye.

What’s Next

Learn the truth about pink eye! Check out these articles next:

• Pink Eye vs Dry Eye: What’s the Difference?
• What is Commonly Misdiagnosed as Pink Eye?
• Allergy Eyes vs Pink Eye: Know the Difference

The post Can You Get Pink Eye from a Fart? appeared first on CorneaCare® | Personalized Dry Eye Treatment.

Have you ever looked up at the stars on a clear night and wondered just how far the human eye can see? It’s a fascinating question with an even more amazing answer: healthy eyes can detect objects millions, even billions, of miles away!

The naked eye has the capability of seeing a distant object light-years away under the right conditions. Your eye’s line of sight, the brightness of light from the object, and your eye health determine how far you can see.

Key Points

• The distance from which you can see an object depends on how bright it is and if nothing is blocking your view.
• Visual acuity is a measure of how clear your vision is.
• The health of your eyes, any vision prescription you might need, and various eye imperfections and parts influence your ability to see.

How Far Can The Human Eye See?

The answer depends on which way you’re looking. Due to the curvature of the earth, the farthest object the human eye can see on earth is about 3 miles. How far could the human eye see if the earth was flat? If the earth was flat or you were standing on top of a mountain, you could see bright lights in the distance hundreds of miles away.¹

On the other hand, if you’re viewing the sky on a clear, dark night that distance is measured in millions and billions of miles. Exactly how far can the human eye see? Several factors affect the distance you can see so let’s take a closer look.

Seeing Far vs. Seeing Clearly

Your eyes are incredibly sensitive to light, which is why you can see stars and galaxies even though they’re unimaginably far away. The Andromeda Galaxy, our nearest galactic neighbor, is a perfect example. Located about 2.5 million light-years from Earth, it’s visible to the naked eye as a faint, smudgy patch in the night sky—no telescope required! According to researchers, the Andromeda Galaxy contains hundreds of billions of stars, many of which contribute to the faint glow we see on clear, dark nights.²

But there’s a difference between detecting light and seeing something clearly. The farther away an object is, the harder it is for your eyes to make out details. That’s why you can’t read a road sign from miles away, even if you can see the sign itself.

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Visual Acuity and The Human Eye

When your vision is checked by an eye doctor (optometrist or ophthalmologist) 20/20 is considered normal vision. Visual acuity is a measurement of your ability to see a distance object or a near object and taken using a Snellen chart. The measurement of vision is based on what a “normal” person can see at a distance of 20 feet. For example, 20/20 vision means the patient can see the same as what a normal person sees at 20 feet. Visual acuity is the smallest retinal image appreciated by the eye.³

Eye Health

Eye health can affect your visual acuity. Any eye condition can limit your vision. Conditions of the cornea like keratoconus cause aberrations in vision and even distort the patient’s view. Similarly, cataracts can cause obstructions in your central line of sight and distort colors. Diabetic retinopathy, age-related macular degeneration, and glaucoma are other eye conditions that can make it difficult to see well.⁴

Your eye’s clarity and sharpness are measured during an eye exam. Your vision can be affected by uncorrected refractive error and various conditions that affect eye health.

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Refractive Error

If you can’t view a distant object you are considered myopic (near-sighted). Individuals with myopia have eyes with a slightly longer length than normal. However, if it is difficult to see near objects, you are hyperopic (far-sighted) with shorter eyes than normal.⁵

Lastly, astigmatism is one of the most common refractive errors. It occurs when parallel rays of light entering the eye are brought to focus at two distinct focal lines perpendicular to each other, rather than to a single focal point resulting in halos and glare.⁵

The Human Eye: How It Works

The cornea, iris, and lens compose the front of the eye. The retina and optic nerve, equally important structures are located in the back of the eye.

Front of the Eyeball

The cornea is the clear dome over the surface of the eye. Its purpose is to protect your eye and refract rays of light. The structure of the eye called the iris allows the appropriate amount of light to enter the retina. The iris is like the shutter of a camera. It allows enough light to enter your eye to activate the retina. The iris dilates in the dark and constricts in the light allowing more bright light through the pupil under scotopic (dark) conditions than under photopic conditions (light).

For this reason, when driving, it may be more difficult to see a distant object on a dark night compared to a clear day. Made of tissue, the crystalline lens can change its shape to adjust the power of the eye and to focus the image on the retina called accommodation.⁶

Back of the Eyeball

The retina is a layer of photoreceptors and glial cells that captures incoming photons and transmits them along neuronal pathways as both electrical and chemical signals to the brain in order to see a picture.

It is composed of two different types of cells: rod cells and cone cells. The activation of rod cells and cone cells, also called photoreceptors, initiates our vision. One type of rod cell exists for dim light vision and three types of cone cells enable one to see colors. Finally, the signals from the eyeball are sent to the brain through the optic nerve.

How Far Can Human Eye See FAQ

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Putting It All Together

The capability of human vision remains unknown though a bright object and an unobstructed view are important to see a distance object like the Andromeda galaxy. Additionally, the visual acuity of the human eye is affected by eye health and refractive error. Types of ocular pathology like age-related macular degeneration of astigmatism can have an affect on how the eye sees. Furthermore, visiting an eye doctor to have your vision checked, and your glasses prescription updated is vital to optimizing the capabilities of the eye.

What’s Next

Learn to love your eyes! Read more eye health and wellness tips on our blog.

The post How Far Can The Human Eye See appeared first on CorneaCare® | Personalized Dry Eye Treatment.

If you’ve noticed the white part of your eye looking swollen and jelly-like, you’re not alone. This condition, known as chemosis, is more common than you might think and can be caused by a variety of factors. Allergies, eye infections, or even thyroid issues can lead to this unusual swelling.

Allergies happen when your immune system overreacts to something harmless, like pollen or pet dander. Springtime can be especially tough on your eyes, thanks to blooming flowers, tree pollen, and ragweed. These allergens can leave you dealing with sneezing, itchy eyes, and that dreaded red, puffy look. On top of that, allergies, along with conditions like pink eye, thyroid disease, or ocular surface issues, can lead to that jelly-like swelling in the white part of your eye.

While it might look alarming, understanding what causes chemosis and how to treat it can help ease your concerns. Let’s break it down so you know what to expect and when to seek help.

Key Points

• Chemosis is swelling (edema) of the conjunctiva.
• The conjunctive appears like a jelly-like blister due to excess fluid.
• Causes of chemosis include ocular surface trauma, infection, allergy, and thyroid eye disease.

What is Chemosis?

Chemosis is swelling or edema of the white part of the eye. The conjunctiva, or front surface of the eye, appears like a jelly-like blister due to excess fluid. It will often clear on its own or after treatment of the underlying condition.¹ Chemosis is caused by a direct insult to conjunctival endothelial cells.² In some cases, this inflammation can cause bleeding.

Understanding Chemosis

Chemosis is common and can be caused by a number of conditions including trauma, infection, allergy, obstruction of lymphatic and venous outflow, and inflammation of the conjunctiva.³ Common eye conditions that cause chemosis include: allergic conjunctivitis, viral conjunctivitis and bacterial conjunctivitis. Conjunctival chemosis can also result from thyroid eye disease and ocular surface exposure.

Viral conjunctivitis

Viral conjunctivitis is one of the most common conditions in eye practices and emergency rooms. Often referred to as “pink eye,” viral conjunctivitis is an inflammation of the conjunctiva—the clear tissue covering the white part of the eye and lining the inner surface of the eyelid. This condition is typically caused by viruses, most commonly adenoviruses. Other viruses that can lead to viral conjunctivitis include herpes simplex virus, varicella-zoster virus, and picornaviruses.

Viral conjunctivitis is a benign condition that can resolve on its own without specific medical treatment. However, it can be highly contagious and can spread through direct or indirect contact with the eye secretions of an infected person.⁴ 

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Bacterial Conjunctivitis

A bacterial conjunctivitis presents with thick, yellow or green discharge, or sticky eyes when you wake up, foreign body sensation and conjunctival injection (pink eye). Conjunctival chemosis is also possible. The affected eye or eyes typically appear red or pink due to inflammation. Your eye doctor will conduct an eye exam to make a diagnosis.

Bacterial conjunctivitis is caused by bacterial infections, most often Staphylococcus aureus, Streptococcus pneumoniae, and Haemophilus influenzae.⁵ Bacterial conjunctivitis is more common in individuals with other eye conditions or those with compromised immune systems.

Allergic Conjunctivitis

Allergic conjunctivitis has become more common in both children and adults and has a significant effect on quality of life. It affects approximately 10 to 20% of the population. Allergic conjunctivitis is a group of diseases caused by an ocular response to environmental allergens. Allergic conjunctivitis may be seasonal or perennial. Exposure to an allergen like pet dander can also be the cause. The symptoms of an allergic reaction may include itching, watery discharge, foreign body sensation, redness, and a papillary response on the eyelids.^4,6

Thyroid Eye Disease

Thyroid Eye Disease (TED), also known as Graves’ ophthalmopathy or Graves’ orbitopathy, is an autoimmune condition that primarily affects the eyes. It is often associated with an overactive thyroid (hyperthyroidism). It occurs when the immune system attacks the tissues surrounding the eyes, leading to inflammation and other eye-related symptoms.

TED can cause a range of symptoms, including redness, swelling, and a gritty sensation in the eyes. Patients may also experience pain or pressure behind the eyes.⁷

One of the features of TED is proptosis, where the eyes bulge forward. This occurs due to inflammation and swelling of the muscles and tissues behind the eyes. Chemosis is a common finding in thyroid eye disease. It contributes to the appearance of bulging eyes and may cause a jelly-like swelling in the white part of the eyes.⁷

Ocular Surface Exposure

Dryness of the conjunctiva due to ocular surface exposure is one of the major causes of conjunctival chemosis. When the eyelids don’t close properly, it can expose the surface of the eye. This happens in conditions like lagophthalmos, Bell’s palsy, or thyroid eye disease.

Symptoms of Chemosis

Individuals with chemosis often have other clinical signs and ocular symptoms including:

• Irritated eye
• Broken blood vessels
• Pink eye (conjunctivitis)
• Itchy eyes
• Red eyes
• Excessive tearing
• Swollen eyelids

Treatments for Chemosis

The treatment for chemosis depends on the cause. You should seek medical advice from your eye doctor (optometrist or ophthalmologist). You should stop wearing contact lenses during treatment.

In cases of bacterial conjunctivitis, your eye doctor may recommend antibacterial eye drops or ointment.⁵

Viral conjunctivitis will resolve on its own within 7 to 14 days. For most cases, no effective treatment is currently available, and treatment is focused on symptom relief. You may find that CorneaCare cold compresses and artificial tears help. For severe cases, topical corticosteroid drops can offer relief of swelling symptoms in severe cases. However, prolonged use of corticosteroids can increase the risk of glaucoma and cataracts.⁴

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Treatment for allergic conjunctivitis may include oral or topical antihistamines, cool compresses, and eye drops like over-the-counter artificial tears. Your eye doctor may treat severe cases with a steroid eye drop.⁶  

White Part of the Eye Swollen like Jelly FAQ

Putting It All Together

Chemosis might cause worry, but it’s usually just a sign that something else is going on with your eyes. Whether it’s allergies, pink eye, thyroid issues, or another underlying condition, addressing the cause is key to clearing up that jelly-like swelling. In many cases, chemosis gets better on its own or with a little help from your eye doctor.

Need some extra relief? Cornea Care’s self-cooling hydrogel cold compresses can help soothe swollen, uncomfortable eyes while you heal.

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What’s Next

Learn to love your eyes! Read more eye health and wellness tips on our blog.

The post White Part of the Eye Swollen like Jelly appeared first on CorneaCare® | Personalized Dry Eye Treatment.

When you look in the mirror, you may notice a new gray or brown spot on the white of your eye that you haven’t noticed before. Maybe it’s been there for awhile, but now it seems to be growing. A new growth or spot on the eye can be concerning and should be examined by an eye doctor.

Many conditions like a pterygium or pinguecula, are a result of UV exposure and may require treatment. Others can be deadly. According to rarediseases.org, ocular melanoma is the most common primary cancer affecting the eye and is estimated to be diagnosed in about 2,500 people in the United States each year.

Key Points

• Growths on the eye can be congenital or acquired, benign or malignant.
• If the growth changes in size, color, elevation or shape, an individual should seek medical attention.
• Treatment can range from monitoring and managing the symptoms to removal of the lesion.

Parts of the Eye

Eye growths and eye spots most often affect the cornea and conjunctiva. They can be congenital or acquired. Acquired spots on the eye could be indicative of a more serious condition of the eye.

The eyeball can be divided into two parts: anterior and posterior segment. The anterior part of the eye includes the cornea, conjunctiva. The sclera, retina and optic nerve are important structures in the posterior aspect of the eye.

An understanding of eye anatomy can be helpful in determining which part of your eye is being affected by a lesion or spot.

Cornea

The cornea is the transparent layer forming the front part of your eye. The cornea is one of the most densely innervated parts of the body. The nerves found in the anterior segment regulate many aspects of eye function including the blink reflex, tear production, and tissue regeneration.

Conjunctiva

The conjunctiva provides protection and lubrication of the eye by producing mucus. It prevents microbial entrance and plays a role in immune protection. It lines the inside of the eyelids and covers the sclera. It is composed of many blood and lymphatic vessels.¹

Sclera

The sclera is the white part of the eye which supports the structure of the eyeball. It helps maintain your eyeball’s shape, and protects it from injury.

Retina

The retina is a layer composed of photoreceptors and glial cells inside the eye that captures incoming photons and transmits them along neuronal pathways as both electrical and chemical signals for the brain to perceive a visual picture. The retina is located in the posterior segment and forms the innermost boundary.²

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Optic Nerve

The optic nerve is the second cranial nerve (CN II) and is responsible for transmitting visual information from the eye to the brain. The optic nerves of both eyes meet at the optic chiasm and form the optic tracts which criss-cross before entering the brain. Damage to the optic nerve from a disease like glaucoma results in visual field defects and/or visual loss.³

Growth on the Eye

An eye doctor, like an optometrist or ophthalmologist, can determine the type of growth or discoloration on the eye, and if it is benign or if it needs medical attention.

Pterygium

A pterygium is a degenerative condition caused by the fibrovascular outgrowth of the conjunctiva over the cornea. Many factors may cause pterygium, but ultraviolet radiation is the most important.

A pterygium is usually asymptomatic, but dry eye symptoms can present such as burning, itching, and/or tearing. As the lesion grows toward the optical zone (pupil margin), visual acuity can be affected and surgical treatment is required. The lesion can regrow, become more aggressive, and cause irregular corneal astigmatism. Surgery is aimed at lesion removal, but also at preventing a recurrence.⁴

Pinguecula

A pinguecula is a benign, grey or white mass caused by degeneration of the conjunctiva. It occurs in patients exposed to wind, dust, ultraviolet light, and who work outdoors for a long duration of time.

You may have mild symptoms like foreign body sensation and itching, but complaints are typically about its appearance. A pinguecula is often a precursor to a pterygium. An eye doctor will typically treat the symptoms and recommend UV protection.⁵

Blood Vessels

Sometimes blood vessels may appear more pronounced on the eye. The creation of new blood vessels is called corneal neovascularization and is major cause of vision loss worldwide, leading to corneal opacification and chronic inflammation.⁶

Corneal neovascularization can be caused by an infection, contact lens wear, trauma, chemical burn, immunologic diseases, degeneration or intraocular conditions such as uveitis, glaucoma, and pthisis bulbi.⁷

Spots on the Eye

Brown or grey spots on the eye may be benign or cancerous, congenital or acquired. Your eye doctor can identify these conditions and provide appropriate treatment.

Racial Conjunctival Melanosis

One cause of brown spots on the conjunctiva is called racial conjunctival melanosis and is present in 92.5% of blacks. Black patients have a lower incidence rate of melanoma due to the protective effects of melanin which can filter out twice as much ultraviolet-B radiation as in whites.⁸

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Melanocytosis

Congenital oculodermal melanocytosis is a unilateral accumulation of melanocytes in the episclera, sclera and uveal tract. This disorder is a risk factor for the development of uveal melanoma and chronic glaucoma. It may present with iris heterochromia, episcleral and scleral pigmented patches, dark pigmentation of the trabecular meshwork and the fundus.⁹

Senile Scleral Plaques

Senile scleral plaques are oblong, slate-grey spots found on the sclera posterior to the limbus, but anterior to the insertions of the horizontal rectus muscles. The grey color of the plaque is due to hyaline degeneration of the sclera, which causes the underlying uvea to become visible.

Senile scleral plaques are most frequently seen in elderly persons above 70 years of age and are more prevalent in women. Scleral plaques are usually found on a routine eye exam because patients are typically asymptomatic, and treatment is not needed.¹⁰

Axenfeld Nerve Loop

Axenfeld nerve loops are loops of the long posterior ciliary nerves within the sclera, and are often found about 2.5-3 mm posterior to the limbus. They are a normal anatomic landmark and are present in all eyes. The loops may look like gray spots or white nodules on the bulbar conjunctiva and may be surrounded by pigment.¹¹

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Freckle or Nevus

A freckle or nevus is a cluster of pigmented cells which appears as a brown spot on the skin or the eye due to sun exposure. Freckles are caused by an overproduction of melanin. Freckles are not harmful, but should be carefully monitored to make sure they do not become malignant.

If any change in color, asymmetry, diameter, elevation or new blood vessel growth is observed, the lesion should be examined by a doctor.¹²

Primary Acquired Melanosis

Conjunctival primary acquired melanosis (PAM) is an acquired flat, painless noncystic pigmented lesion of the conjunctiva. It occurs unilaterally in Caucasian, middle-aged individuals and accounts for 11% of all conjunctival tumors and 21% of all melanocytic lesions of the conjunctiva. It can be a benign or precancerous lesion.

It can be difficult to document by clinical exam and photography; an anterior segment OCT has been proven useful for management.¹³

Ocular Melanoma

Intraocular melanoma of the ciliary body and choroid is the most common primary eye cancer in adults and the most common type of melanoma outside of skin cancer. Iris melanomas are a subset of uveal melanomas that tend to have a more benign course when compared to posterior uveal melanomas, and a lower incidence of metastases when compared to ciliary body and choroidal melanomas.¹⁴

The incidence of uveal melanoma increases with age, and is more common in males and light-skinned individuals. Sunlight is the most important risk factor for the development of ocular melanoma. Despite successful local control, study data suggests that up to 50% of patients with intraocular melanoma will have metastatic disease. The two most common treatment options for malignant melanoma are radiation therapy and enucleation.¹⁴

Symptoms of New Growths or Spots

Most spots or new growths do not have symptoms, but are cosmetically concerning. Others may have symptoms of dry eye like foreign body sensation, burning, and itching. Malignant conditions like melanocytosis and ocular melanoma require advanced treatments and may result in vision loss.

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Grey Spot on White of Eye FAQ

Putting It All Together

Grey spots or brown spots on the white part of the eye can be several different medical conditions. Most lesions do not have any symptoms until they are more advanced. Any concerning spot or growth on the eye should be examined by a doctor to ensure it is not a malignant eye cancer.

What’s Next

Learn to love your eyes! Read more eye health and wellness tips on our blog.

The post Grey Spot on White of Eye appeared first on CorneaCare® | Personalized Dry Eye Treatment.

Ocular pathologies and conditions of the anterior segment of the eye including the cornea, conjunctiva, or lid margins can result in the feeling that something is in the eye. Most often, light sensitivity, redness, and itching accompany a foreign body sensation. As many conditions may present with the same symptoms, an eye exam of the ocular structures, eyelids and eyelashes is important to make the correct diagnosis and treatment plan.

Key Points

• Many ocular conditions and injuries result in the sensation there is something in the eye.
• Keratitis, blepharitis, and dry eye disease are common diagnoses that present with a foreign body sensation.
• Though treatment depends on the condition, but may include artificial tears, ocular compresses, steroid drops or an antibiotic.

Why Does it Feel Like Something is in my Eye?

An eye doctor uses a large microscope, called a slit lamp, to view the front segment of the eye. The doctor will search for a foreign body, remove an eyelash touching the cornea or find a small piece of mascara lodged underneath the upper lid.

Most often, the feeling that something is in the eye is a symptom of a corneal condition. Dry eye disease, keratitis, and blepharitis all result in a foreign body or gritty sensation, blurred vision, and redness of the eye and lid margins. These conditions will not resolve on their own and may worsen without treatment.

Therefore, if you feel like there is something in your eye, you should seek immediate medical attention by a trained medical professional like an ophthalmologist or optometrist.

Common Causes of a Foreign Body Sensation

Many eye conditions and eye injuries that affect the surface of your eye can result in a foreign object sensation. An eye doctor may ask you about your symptoms and look at the surface of the eye to determine the cause of the foreign body feeling.

Blepharitis

Blepharitis is chronic inflammation of the eyelid margin that may affect any age group, is associated with several systemic conditions including rosacea and seborrheic dermatitis, and is related to other ocular conditions like dry eye, chalazion, conjunctivitis, and keratitis. Common symptoms of blepharitis are a burning sensation, irritation, tearing, light sensitivity, blurred vision, and red eyes. Crusting or flaking may be present on the eyelids.

There are many causes for blepharitis including meibomian gland dysfunction, chronic low-grade bacteria infections of the ocular surface, parasitic infestations like demodex, and inflammatory skin conditions such as atopy and seborrhea. 

Treatments include warm compresses, eyelid wipes(hygiene), and over-the-counter lubricating tears. Blepharitis is a chronic medical condition and patients must commit to long-term lid hygiene.¹

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Dry Eye Disease

Dry eye disease is a chronic condition of the corneal surface that can lead to damage to the cornea and the conjunctiva if left untreated. The disease affects 1 in 5 Americans. There are two main subtypes of dry eye disease – aqueous deficiency and evaporative and an individual may have both types.

Aqueous deficiency occurs because of reduced aqueous production from the lacrimal glands but only accounts for a tenth of all dry eye disease. In contrast, evaporative dry eye is due to a deficient tear film lipid layer, which increases tear evaporation. It is caused by meibomian gland dysfunction, and occurs in over 85% of dry eye disease.²

Symptoms of dry eye include dryness, watery eyes, excessive tearing, eye redness, and blurred vision. Common risk factors for dry eye include age, being female, low-humidity environments, systemic medications, and autoimmune diseases. Lastly, wearing contact lenses is also a risk factor for dry eye.³

Most importantly, dry eye disease is a chronic condition and therefore requires long-term management. Treatment usually consists of eyelid hygiene, lifestyle modifications, humidification, tear replacement, improved nutrition, and anti-inflammatory ocular agents.

Check out CorneaCare’s eyelid hygiene products that are clean, convenient and effective against dry eye disease. For tear replacement, check out CorneaCare’s Recover Preservative-Free Artificial Tears.  

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Pinguecula

A pinguecula is a benign degeneration of the conjunctiva. It looks like a yellow-white mass on the bulbar conjunctiva. It is common in those exposed to wind, dust, UV light, and work outdoors for long periods of time. Almost all individuals in their eighties show signs of a pinguecula and contact lens wear is an additional risk factor for the development of a pinguecula. Common symptoms are foreign body sensation and itching, but most complaints are cosmetic.⁴

A pinguecula can progress into a pterygium. A pterygium is a degenerative condition characterized by fibrovascular outgrowth of the conjunctiva over the cornea. Studies demonstrate UV light is the most important trigger. In the beginning, a pterygium is usually asymptomatic, however, dry eye symptoms may be present, such as burning, itching, and/or tearing. Vision worsens and surgical treatment is required as the lesion grows towards the optical zone (pupil). Following surgery, a pterygium may grow again.⁵

Keratitis

Keratitis is inflammation of the cornea and is characterized by corneal edema (swelling), inflammatory cells, and ciliary congestion (redness). The cause can be both infectious and non-infectious. Keratitis can lead to a corneal ulcer. The most common complaints are redness, pain, irritation, and feeling something is in the eye. Patients may be light sensitive and have reduced vision. Treatment options may include an antibacterial and/or steroid eye drops.⁶

Corneal Ulcer

A corneal ulcer is a white spot that appears on the cornea and causes extreme eye pain. It is most often due to sleeping in contact lenses overnight. An antibiotic and/or steroid can improve the symptoms. Furthermore, if you wear contact lenses, you should wear your glasses until the eye has healed.

Conjunctivitis

Pink eye, also called conjunctivitis, is the most common reason for a red eye in eye care. Conjunctivitis is inflammation or infection of the outer part of the eyeball and the inner eyelid, called the conjunctiva. The three most common types of conjunctivitis are viral, allergic, and bacterial.⁷ Artificial tears and cold compresses may improve the look and feel of eyes with conjunctivitis.

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Corneal Abrasion

An abrasion to the cornea can be painful, but usually heals within 1-3 days. As it is healing, it may result in eye irritation or feel like a foreign object is still present in the eye. Corneal abrasions are often caused by a linear object such as a fingernail or tree branch. Typically, abrasions heal on their own, but should be covered with an antibiotic to prevent infection. Ibuprofen, NSAIDs or cycloplegia drops may be recommended to reduce the pain. However, a bandage lens may be used for pain management in an injury that cover 50% of the cornea and should be followed every day by an eye care professional until it resolves.⁸

Stye

A stye or chalazion is the most common inflammatory condition of the upper eyelid or lower eyelid. They are slowly enlarging, non-tender nodules caused by the inflammation and obstruction of the sebaceous zeis or meibomian glands of the eyelids. If large enough, the stye can rub against the cornea causing the feeling of something in the eye when blinking. Warm compresses are applied to the affected lid for 15 minutes 2 to 4 times per day, followed by a lid massage and eyelid wipes. Overall, most styes resolve within one month.⁹

Treatment for Something in the Eye

You should seek medical advice immediately if you feel like something is in your eye. Though the treatment for the foreign body sensation depends on the cause, but may include warm compresses, cold compresses, eyelid wipes, artificial tears, an antibiotic (oral or topical) and steroids.

Putting It All Together

Many corneal conditions can cause the sensation there is something in the eye even if there is not anything present in the eye. The cornea has many nerve types and is highly sensitive to any minor eye injuries or corneal conditions. In conclusion, many eye conditions can cause a foreign body sensation. An ocular condition will heal with proper treatment and resolve the feeling that something is in the eye. 

What’s Next

Learn to love your eyes! Read more eye health and wellness tips on our blog.

The post Feels Like Something in My Eye appeared first on CorneaCare® | Personalized Dry Eye Treatment.

Not only does the cornea have many nerves, it is also responsible for two-thirds of the eye’s total optical power. Any condition that affects the cornea may cause a significant loss in visual acuity and should be examined by a doctor immediately.

We will discuss the most common ocular conditions and injuries which may cause eye pain when blinking.

Key Points

• Many eye conditions or eye injuries may cause your eye to hurt when you blink.
• The cornea is the most sensitive part of the eye and is innervated by many large nerves and branches of both the long and short ciliary nerves.
• Eye pain can indicate a serious condition and an individual with new ocular pain should be examined ASAP by an eye doctor.

Why Does my Eye Hurt When I Blink?

Your eye may hurt when blinking for a number of different reasons. Eye conditions or eye injuries that affect the cornea can result in significant discomfort. The cornea is a sensitive part of the eye because it is densely innervated with sensory fibers. As many as seventy to eighty large nerves and branches of the long and short ciliary nerves enter into the peripheral stroma. The stroma is one of the five layers of the cornea.¹

Furthermore, when compared with the epidermis of the skin, the density of sensory nerve endings in the cornea epithelium is approximately 400 times greater with approximately 7000 nociceptors per square millimeter. Corneal nerves are responsible for the sensations of touch, pain, and temperature and play a role in blinking, wound healing, and tear production and secretion.²

Common Causes of Eye Pain When Blinking

Many eye conditions or eye injuries can cause eye pain. An eye exam is indicated for the correct diagnosis to be made.

Eye Conditions that Cause the Eye to Hurt

Keratitis, dry eye disease, and styes are common conditions that may cause the eye to hurt when blinking.

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Dry Eye Disease

Dry eye disease is caused by decreased tear production or excessive tear evaporation. Excessive screen time, gender, age, and certain systemic medications are risk factors for dry eye. Common symptoms of dry eye are watery eyes, red eyes, dryness, burning and ocular discomfort. It may also be the cause of vision problems.

Your eye care provider may begin treatment with over-the-counter artificial tears. Additional treatment options are dependent on the type of dry eye, but may include warm compresses, lid hygiene, and/or steroid eye drops.

Check out CorneaCare’s eyelid hygiene products built specifically to relieve dry eye symptoms.

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Optic Neuritis

Loss of vision and severe pain with eyeball movement are symptoms of optic neuritis. Patients with optic neuritis have an increased risk of developing multiple sclerosis. Optic neuritis is considered a medical emergency and an eye doctor will send the patient to the emergency room.³

Uveitis

Uveitis is inflammation in the front part of the eyeball and affects the iris, ciliary body, and choroid. The eye condition may occur due to an unknown reason (idiopathic) or it may be the result of inflammation in the body. Most commonly, autoimmune diseases such as lupus, multiple sclerosis, rheumatoid arthritis, and sarcoidosis often cause uveitis. The symptoms of uveitis include blurry vision, floaters, red eyes, light sensitivity and eye pain.⁴

Stye

A stye occurs at the site of a blocked or clogged oil gland. The oil glands, called meibomian glands, are located at the base of the eyelash. The oil from these glands balances the tear film of the eye. If the gland becomes clogged and infected, a stye develops. An eye doctor calls a stye a chalazion or hordeolum. Patients with blepharitis are more likely to have a stye.

Treatment for styes may include eyelid scrubs, warm compress, and sometimes oral antibiotics. CorneaCare’s Rest self-heating warm compresses and eyelid wipes are perfect for combating styes!

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Corneal Ulcer

A corneal ulcer is an open sore on the cornea and is most likely to occur after sleeping in contact lenses. An ulcer is caused by bacteria, a virus, fungi or a parasite called Acanthamoeba found in water or soil. A corneal ulcer is very painful and the eye may be red, light sensitive (photophobia) and tear. A white spot may be visible on the cornea. Corneal ulcers can be serious if they are located in your line of sight.

Treatment for a corneal ulcer depends on the cause, but often includes antibiotic drops initially and a steroid after the condition begins to improve.⁵ In addition, doctors recommend never sleeping in your contacts because ulcers may cause scarring and permanent vision loss.

Sinuses

Even though the sinuses are not a part of the eye, they are located around and behind your eye socket and may cause eye pain. Two large frontal sinuses are located above your eyes, two sphenoid and two ethmoid sinuses are set between your eyes, and the largest two sinuses, the maxillary sinuses, are located under your eyes and behind your cheeks. Sinusitis is one of the most common health complaints in the U.S.⁶ Facial pain, eyeball pain and pressure around and behind the eyes are symptoms of sinusitis.⁷

Keratitis

Keratitis is inflammation of the cornea, the clear tissue on the front of the eye and can be both infectious or non-infectious. Non-infectious keratitis can be caused by wearing your contact lenses too long. Infectious keratitis can be caused by bacteria, viruses, fungi and parasites. Common symptoms of keratitis include redness, blurry vision, burning, foreign body sensation, and light sensitivity. The treatment depends upon the cause of the keratitis but in most cases anti-inflammatory drops (steroids) are used with artificial tears. Fungal infections can be difficult to diagnose and to treat.⁸

Conjunctivitis

Pink eye, also called conjunctivitis, rarely results in eye pain but may cause slight discomfort. Conjunctivitis is inflammation of the conjunctiva, the outer membrane of the eyeball and inner eyelid. An eye infection like conjunctivitis can be caused by a virus, bacteria, or exposure to an allergen, resulting in allergic conjunctivitis.

Eye Injuries

Eye injuries such as a corneal abrasion, foreign object in the eye or a chemical burn may also cause eye pain with blinking.

Corneal Abrasion

An abrasion can be a very painful scrape to the cornea. It can be caused by a foreign object in the eye or is often caused by a fingernail or tree branch. An eye doctor will treat a corneal abrasion with an antibiotic eye drop to prevent infection. In addition, some doctors may use a contact lens as a bandaid on the eye to improve eye comfort with blinking.

Chemical Burns

Ocular chemical burns occur when chemicals splash into the eye and are responsible for 11.5%-22.1% of all ocular injuries.⁹ Copious irrigation with a saline solution is recommended to remove the chemical agent and minimize the damage to the eye. Most importantly, any chemical burn requires immediate medical attention by an ophthalmologist or optometrist.

When to See a Doctor for Eye Pain

Finally, contact your eye doctor immediately if you experience any new eye pain with or without vision changes.

Putting It All Together

Any injury or ocular condition that affects the anterior aspect of the eye, particularly the cornea, may cause the eye to hurt when blinking. The cornea is one of the most sensitive organs of the body due to the innervation of many nerves. The nerves are responsible for the sensations of touch, pain, and temperature. If your eye hurts when blinking, you should see an eye doctor immediately.

What’s Next

Learn to love your eyes! Read more eye health and wellness tips on our blog.

The post Why Does My Eye Hurt when I Blink? appeared first on CorneaCare® | Personalized Dry Eye Treatment.