Visual acuity test

This test may be done in a health care provider's office, a school, workplace, or elsewhere. Visual acuity is usually recorded as: "Uncorrected," which is without glasses or contact lenses "Best corrected," which is with the best possible glasses or contact lens prescription For uncorrected visual acuity, you will be…

No special preparation is necessary for this test.

There is no discomfort.

The visual acuity test is a routine part of an eye examination or general physical examination, particularly if there is a change in vision or a problem with vision. In children, the test is performed to screen for vision problems. Vision problems in young children can often be corrected or improved. Undetected or…

Visual acuity is expressed as a fraction. The top number refers to the distance you stand from the chart. This is often 20 feet (6 meters). The bottom number indicates the distance at which a person with normal eyesight could read the same line you correctly read. For example, 20/20 (6/6) is considered normal. 20/40…

Abnormal results may be a sign that you need glasses or contacts. Or it may mean that you have an eye condition that needs further evaluation by a provider.

There are no risks with this test.

Chuck RS, Dunn SP, Flaxel CJ; American Academy of Ophthalmology Preferred Practice Pattern Committee, et al. Comprehensive adult medical eye evaluation preferred practice pattern. Ophthalmology . 2021;128(1):1-29. www.aaojournal.org/article/S0161-6420(20)31026-5/fulltext . Published November 12, 2020. Accessed April…