The problem with amblyopia, commonly known as lazy eye, isn’t treatment. If caught early enough in children, the condition can be easily addressed, often with something as simple as a pair of glasses.

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 ...

Assessment of visual acuity (VA) has been shown to vary between tests, which may be attributable in part to test inaccuracies, such as a change in the distance between the chart and subject. Therefore ...

The old-fashioned eye test wallchart is slowly being replaced by something that users say is more effective and way more fun; a video game. Gamification, which once wowed the mighty global brain-trust ...

Impaired vision and blindness are common. About 3.4 million people in the US are blind or visually impaired. Vision is usually measured by visual acuity charts, and normal vision is expressed as 20/20 ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. An inscription reads “SEITZ TEST ...