The right eyes of 35 healthy subjects were fogged with plus lenses and tested with the Snellen visual acuity chart (Reichert 11180). Visual acuity and counting level were assessed under various ...

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 of ...

The impression exists that picture acuity scores may overestimate function when subjects are switched to letter charts. This has not been systematically investigated. The aims of this study were to ...

Posts from this topic will be added to your daily email digest and your homepage feed. That familiar eyesight chart revolutionized vision testing, and we went to ridiculous lengths to test it out That ...

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 is the farthest a human can see? What is the best recorded visual acuity? How far is the horizon? I am often asked these questions by clinicians and non-ophthalmologists and thought many of you ...

Belmonte Middle School now has its own vision machine for students thanks to the generosity of Pearle Vision. Carmine Mazzarella, an optician and owner of the Saugus Pearle Vision, recently dropped by ...