While there are visual acuity tests online or even apps that claim to tell you whether you have "20/20 vision," it's best to see your eye health provider and have your visual acuity tested.

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 ...

Most measures of visual acuity test one of the following: detection, recognition, resolution, or localization. 1 Conventional testing with the Snellen visual acuity chart (Reichert 11180) measures ...

When you've completed a visual acuity test, you'll get results as a fraction. The top number refers to the distance you stand from the chart. In most cases, this will be 20 feet.

A novel, at-home test was accurate and reliable in measuring near visual acuity and may be a helpful self-monitoring tool for patients with chronic ocular conditions or limited access to ...

Development and Validation of a Smartphone-Based Visual Acuity Test (Peek Acuity) for Clinical Practice and Community-Based Fieldwork. JAMA Ophthalmology , 2015; DOI: 10.1001/jamaophthalmol.2015.1468 ...

A new pediatric eye chart successfully measured visual acuity in patients aged 6 to 16 years with vision ranging from 20/16 to 20/200, ... Unlike the Thumbs-Up test, the new chart employs .

A smartphone-based test for visual acuity is as accurate and repeatable as currently available standard visual acuity tests, according to a new study published online May 28 in JAMA Ophthalmology ...

Aims This study aimed to evaluate a new chart designed to improve the collection of visual acuity data in population-based surveys. The Reduced logMAR E chart (RLME) employs three letters per line ...

An app to test eyesight easily and affordably using a smartphone is as accurate as traditional charts, according to a study published today. Peek (the Portable Eye Examination Kit) is a unique ...