Glaucoma

Braille, brayl, Louis (1809-1852), was a blind Frenchman who invented the braille system of printing and writing for the blind. He was born near… See more » Iritis, y RY tihs, is an inflammation of the iris, the colored part of the eyeball. The iris, a delicate membrane, determines the amount of light… See more » Contact lens is a device used to correct vision. Contact lenses are most commonly used to correct myopia (nearsightedness) and hyperopia… See more »