Smartphone-based Snellen visual acuity charts has become popularized; however, their accuracy has not been established. This study aimed to evaluate the equivalence of a smartphone-based visual acuity ...

Results from smartphone-based Snellen charts, which are eye charts used to measure visual acuity, are not consistent with results from standard Snellen visual acuity chart tests, according to a study ...

What if you could give yourself a standard eye exam at home? That’s the idea behind [Joel, Margot, and Yuchen]’s final project for [Bruce Land]’s ECE 4760—simulating the standard Snellen eye chart ...

Please provide your email address to receive an email when new articles are posted on . The Hadassah Self-Visual Acuity Screener demonstrated high reliability, accuracy and alignment with standard ...

The Driver and Vehicle Licensing Agency (DVLA) is to update its eye condition guidance but what is the eye test you need to pass? The changes, which are expected within weeks, will require those with ...

Though dozens of different eye charts have been proposed by assorted experts in half a century, none has displaced the familiar Snellen chart, topped by its king-sized “E”. But this week the American ...

Wired took five pairs of binoculars to the countryside, where they were tested for accuracy and ease of use. We then tested them on a Snellen chart, used by eye-care professionals, to log performance ...