Many people wear glasses or contact lenses. In most cases, this is to correct some inherent defect in vision. The three most common vision defects are farsightedness, nearsightedness, and astigmatism. The most common test for detecting vision defects...

Visual acuity is the fundamental measure of the ability of the VISUAL SYSTEM to partition space and as such represents the basic yardstick by which form vision is assessed. The key concepts that have driven quantification of this ability were derived...

Visual acuity (VA) is acuteness or clearness of vision, especially form vision, which is dependent on the sharpness of the retinal focus within the eye, the sensitivity of the nervous elements, and the interpretative faculty of the brain.[1] VA is a...

Consider punctal plugs Patients complaining of poor vision after LASIK may have unstable tear film Reviewed by Kazuo Tsubota, MD Las Vegas - Patients who complain of poor visual function after LASIK may have unstable tear film, which affects the smoothness...

Single-center study IOLs may be more beneficial than contact lenses in terms of better acuity development Orlando-Visual acuity maturation was similar in infants and young children treated with IOLs or aphakic contact lenses for unilateral congenital and developmental unilateral cataracts, according to...

In the 1970s TV show "The Six Million Dollar Man," the strapping young astronaut got a bionic eye. A U.S. company had hoped that next year that might be your grandmother. Not so fast, a federal advisory panel said Friday. ...