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…
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…
There are a lot of conditions and medications that can cause dry eye syndrome. Read about the causes and treatment options.
Allergic conjunctivitis is an eye inflammation caused by an allergic reaction to substances like pollen. Your eyes may become red, itchy, and watery.
An external eyelid stye is a red, painful bump on the surface of the eyelid. Learn about external eyelid stye symptoms, causes, treatment, and prevention.
A foreign object in your eye can be anything from a particle of dust to a metal shard. Learn more about causes, symptoms, and prevention.
Reactive arthritis is a type of arthritis triggered by an infection in the body.
Agammaglobulinemia is an inherited immune system disorder in which the body is unable to produce antibodies.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.