Astigmatism is not considered an eye disease but, like nearsightedness or farsightedness, it is a refractive error of the eye. It develops from the improper curvature of the cornea and, less commonly, the lens. As a result of either type of. . .
A cataract is an eye condition in which the lens of the eye becomes progressively opaque or clouded, resulting in impaired vision. While this ocular problem develops most frequently in seniors, cataracts can develop at any age. If the clouding is so. . .
Presbyopia is a natural part of the aging process of the eye and usually occurs beginning at the age of 40 years old. This is when the natural lens of the eye begins to lose its elasticity and flexibility, becoming stiffer, resulting in the loss of. . .