WHEN testing visual acuity with Snellen's current type, we use black letters printed upon a white ground, and the transition from black to white is as abrupt as can be. If the patient's eyes are ...

New Vision Test Extends Range of Visual Acuity Measurement The Berkeley Rudimentary Vision Test (BRVT), a simplified visual task, is feasible for measuring visual acuity in patients with severe visual ...

Please provide your email address to receive an email when new articles are posted on . PHILADELPHIA — A hand-held internally illuminated ETDRS device provided accurate and repeatable visual acuity ...

Please provide your email address to receive an email when new articles are posted on . Mobile apps can successfully mimic paper-based visual function tests, results showed. Such apps may expand ...