DISORDERS OF THE VISUAL SYSTEM

• Presbyopia (prez-bee-OHpee-uh) - the reduced rate and extent of accommodation by the lens that results from aging.
• Amblyopia - A condition also known as lazy eye, in which one eye does not track visual stimuli.
• Cataract- clouding of the lens.
• Myopia - an abnormal condition in which the eyeball is too long; also known as nearsightedness.
• Hyperopia - an acuity problem resulting from a short eyeball; also known as farsightedness.
• Astigmatism - a distortion of vision caused by the shape of the cornea