Macular degeneration is the most common form of vision loss in people age 50 or older. It occurs when the macula, an important part of the retina, becomes damaged.
Glaucoma refers to a number of diseases that damage the optic nerve and can lead to vision loss. It is usually caused by abnormally high pressure inside the eye.
Astigmatism is a common vision problem that causes distorted, fuzzy, or blurry vision as a result of an irregular curve in the eye’s lens or cornea.
Hypertensive retinopathy is a condition in which high blood pressure causes vision problems by limiting the retina’s function and increasing pressure on the optic nerve.