Whether blurred vision affects one eye or both, vision changes are always a concern that needs attention from an eye specialist. Blurry vision may be a sudden medical emergency. But even if it's not ...

Myopia, or nearsightedness, is a common type of refractive error where close objects appear clearly, but objects farther away appear blurred. Although this vision ...

Astigmatism (uh-STIG-muh-tiz-um) is a type of refractive error where one or more of the eye’s surfaces are not smooth and/or round. It is broadly classified into two types: regular and irregular.

Read before the Section for Clinical Medicine, Pathology and Hygiene of the Massachusetts Medical Society, December 11, 1889.