Eye redness, Gritty eye: 7 Possible Causes
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What causes eye redness and gritty eye? 7 possible conditions

See a list of possible causes in order from the most common to the least.


Conjunctivitis (Pink Eye)

Conjunctivitis, commonly known as "pink eye," is an infection or swelling in the outer membrane of your eyeball. Blood vessels in your conjunctiva, a thin membrane that lines part of your eye, become inflamed. Thi...

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External Eyelid Stye (Hordeolum Externum)

An external eyelid stye is an inflamed area or bump on the eyelid. The medical term for a stye is hordeolum externum . Styes are red, painful lumps (most look like pimples) near the edge of the eyelid, where th...

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Corneal Abrasion

This condition is considered a medical emergency. Urgent care may be required.

The cornea is a thin, transparent dome that covers your eye's iris and pupil. The iris is the colored part of your eye, and the pupil is the black center. All light that enters your eye and allows you to see strike...

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Dry Eye Syndrome

There are a lot of conditions and medications that can cause dry eye syndrome. Read about the causes and treatment options.

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Reactive Arthritis (Reiter's Syndrome)

Reactive arthritis is a type of arthritis triggered by an infection in the body.

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Allergic Conjunctivitis

Allergic conjunctivitis is an eye inflammation caused by an allergic reaction to substances like pollen. Your eyes may become red, itchy, and watery.

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Absence of Gamma Globulin in Blood

Agammaglobulinemia is an inherited immune system disorder in which the body is unable to produce antibodies.

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This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.