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 ...

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. The ...

A smartphone app was found to be useful and reliable by clinicians when testing vision for children during the COVID-19 pandemic. Assessing vision was found to be easy by families and reliable by ...

Acuity of vision is a term used to describe the clearness or sharpness of your vision when measured at a distance of 20 feet. ‌ Visual acuity is the most common clinical measurement of how your eyes ...

A new study shows potential for eye tests to be conducted easily and affordably using a smartphone app. An app to test eyesight easily and affordably using a smartphone is as accurate as traditional ...