A _______________ is an illness with a recognizable set of signs and symptoms.

________________ is an inflammation or infection of the membrane lining called the conjuctiva of the eye.

_______________ is caused by bits of protein and other tissue embedding the clear, gel-like material (viterous) that fills the inside of the eye.

_____________ develops from an eyelash follicle or an eyelid oil gland that becomes clogged from excess oil, debris or bacteria.

Color blindness occurs when there is a problem with the three varieties of cones of the eye: red, green & blue.

__________________ is a painful scrape or scratch of the surface of the clear part of the eye.

Eyelash hypotrichosis ("under hairs") is another name for having inadequate or not enough eyelashes.

An eye disorder associated with aging and results in damaging sharp and central vision.

Most often occurs when the normal fluid pressure inside the eye slowly rises.

A clouding of the eye's lens and is the leading cause of blindness worldwide, and the cause of vision loss in the United States.

Characterized by a progressive damage to the blood vessels of the retina.

An infection of the cornea caused by the herpes simplex virus (HSV).