Please provide your email address to receive an email when new articles are posted on . In a prospective, school-based cohort study, Collins and colleagues analyzed data from 321 youths in second and ...

A refraction test is usually given as part of a routine eye examination. It may also be called a vision test. This test tells your eye doctor exactly what prescription you need in your glasses or ...

Refractive errors are common eye issues that can cause blurry or distorted vision. Treatment usually involves wearing glasses or contact lenses or getting procedures ...

About half of U.S. adults age 20 and older have refractive errors, or eye problems that result in less than 20/20 vision, according to a report in the August issue of ...

Astigmatism is a common vision problem caused by an error in the shape of the cornea. Symptoms can differ from person to person but may include blurry vision and ...

Astigmatism is a refractive error that creates asymmetric blur in the vision due to the irregular corneal curvature/shape (corneal astigmatism) or the lens ...