A rare but serious eye infection associated with poor contact lens hygiene and other factors.

Amblyopia (Lazy Eye)
Amblyopia is a vision development problem in infants and young children that can lead to permanent vision loss. Learn the symptoms, causes and treatments.

Astigmatism
Usually caused by an irregular cornea, astigmatism causes blur at all distances. Also see the Eye Doctor Q&A on astigmatism.

Bell’s Palsy
This condition causes sudden paralysis of one side of the face. Because it affects blinking, it can cause severe dry eye.

Blepharitis
Inflammation of the eyelids associated with chronic eye irritation, watery eyes, foreign body sensation, sensitivity to light and crusty debris at the base of the eyelashes.

Blurry Vision
Blurry vision has many causes, from fatigue and eyestrain to serious eye diseases such as glaucoma. A video helps explain blurry vision causes and treatments.

Cataracts
The risk of cataracts increases with age. Learn what causes them and how to protect your eyes.

Chalazion
A swollen bump in the eyelid. Learn about causes and treatments.

Clinical Trials Related to Eye Diseases
Find out the status of clinical trials for treatment of glaucoma, macular degeneration, blepharitis and other eye problems and diseases.

CMV Retinitis
About 80 percent of adults have been exposed to the cytomegalovirus (CMV), but it mostly affects people with poor immune systems, such as AIDS patients.

Color Blindness
Learn the varieties of color vision deficiency and how to cope with color blindness.

Common Eye Disorders
How to identify and manage everyday eye problems.

Conjunctivitis (Pink Eye)
What you can do about redness, swelling, itching and tearing of pink eye. Also read about pink eye treatment and the various conjunctivitis types. Find out answers to common questions such as how long pink eye lasts, how to get rid of pink eye and how long pink eye is contagious.