The visual acuity test (alsoknown as Eye test – acuity; Vision test – acuity; Snellen test) is used to identify the tiniest letters you can keep reading a standardized chart (Snellen chart) or a card held 20 feet (6 meters) away. Unique charts are use

Visual acuity of 20/200 or worse in the better eye is frequently used as the parameter for legal blindness. Limitations of Visual Acuity Tests. Although they are useful for assessing central visual acuity, eye charts do not determine if you have an eye di

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 ...