How the Snellen Eye Chart Is Used to Test Both of Your Eyes Snellen and other well-known eye charts are used to measure visual acuity, which refers to how well you can see without glasses or contacts The results are used to determine if you need eyewear to correct your vision It's part of a general assessment of your overall eye health
All About the Snellen Eye Chart The Snellen eye chart is a method commonly used by eye doctors to measure visual acuity, which is how clearly or sharp a person can see During an eye exam, patients will read the Snellen chart from 20 feet away
Snellen Test: Chart, Results, Score, 20 60, 20 40, Eye Test, How to Do It The Snellen Test is a widely used eye test that measures visual acuity, which is the sharpness or clarity of vision This test is often conducted by optometrists and ophthalmologists to determine the level of a person's eyesight
Steps to checking vision using Snellen eye chart What is visual acuity and what does 20 20 vision mean? Visual acuity (VA) is commonly referred to as the sharpness of vision, measured by the ability to discern letters or numbers at a given distance according to a fixed standard