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The cornea of the eye is the clear layer of tissue that goes over the iris and pupil of the eye. The cornea both protects the eye and helps focus light into the eye to make vision possible. Two types …

Glaucoma is a group of eye conditions that cause optic nerve damage. The optic nerve is the large nerve that goes from the retina of the eye to the visual cortex of the brain. Glaucoma involves a high pressure inside …

Multiple sclerosis (MS) is a progressive disease that affects the nervous system and brain. Multiple sclerosis is thought to be an autoimmune disease. The antibodies of the immune system in MS patients mistakenly attack the insulating sheath that surrounds the …

Conjunctivitis is a general term describing inflammation of the conjunctiva, which is a membrane that lines the white part of the eye (the sclera) and the inner eyelids. When the conjunctiva becomes inflamed, the white part of the eye becomes …