A visual acuity test is only one part of a comprehensive ophthalmologic examination. The goal of the visual acuity test is to determine the visual clarity or sharpness of vision of a patient. This is tested using the ability to distinguish different
Why is it important to measure visual acuity?
Visual acuity is the most commonly used and universally understood measure of visual function. It is important to measure visual acuity because it provides a simultaneous measurement of central corneal clarity, central lens clarity, central macular function, and optic nerve conduction.
Why is it important that visual acuity be checked at each appointment?
This test tells your doctor if you need prescription lenses, as well as what prescription lens you need to see properly. The results of the test are used to diagnose the following conditions: astigmatism, a refractive problem with the eye related to the shape of the lens, which causes blurry vision.
