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 ...

Assessment of visual acuity (VA) has been shown to vary between tests, which may be attributable in part to test inaccuracies, such as a change in the distance between the chart and subject. Therefore ...

A visual acuity test is an eye exam that checks how well you see the details of a letter or symbol from a specific distance. Visual acuity refers to your ability to discern the shapes and details of ...

British ophthalmologist Andrew Bastawrous moved his family from London to Kenya in 2013 with $150,000 of equipment, a team of 15 people and an ambitious goal: to understand the causes of blindness in ...

SEATTLE, Washington — An overwhelming majority of people with age-related macular degeneration would rather test their vision with an iPad app than with traditional methods, a new study shows. "One of ...