Please provide your email address to receive an email when new articles are posted on . Children had better near and distance visual acuity than adults before receiving visual aids. Optical aids were ...

Three visual acuity tests taken at home produce results comparable to those achieved with standard tests taken in the office, researchers say. All the tests are free. Two measure near vision, and the ...

"This study aimed to evaluate the equivalence of a smartphone-based visual acuity chart with a standard 6-m Snellen visual acuity (6SVA) chart." Researchers first reviewed Snellen chart apps that were ...

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 ...

Copenhagen, Denmark: Patients who have a new type of lens implanted in their eyes during surgery for cataracts or to correct their eyesight have excellent or good vision over distances both near and ...

ORLANDO -- The PRIMA system combining a subretinal photovoltaic implant and eyeglasses that project near-infrared light to the implant significantly improved vision in patients with geographic atrophy ...