Poor visual acuity, defined as difficulty discerning letters or numbers at a given distance, is associated with depression in middle-aged and older individuals, new research suggests. After multiple ...

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 ...

A noninterventional study found that chart-based assessments of visual function had adequate repeatability but were limited in discriminating between no age-related macular degeneration (AMD) and ...

Please provide your email address to receive an email when new articles are posted on . Perceptual learning significantly improved spectacle-corrected distance visual acuity. Patients assigned to ...

Please provide your email address to receive an email when new articles are posted on . The Hadassah Self-Visual Acuity Screener demonstrated high reliability, accuracy and alignment with standard ...

Researchers found that eyeglasses with traditional steps of 0.25D were less effective and less preferred by participants compared with those refracted in 0.05D steps. Eyeglasses manufactured and ...

recognize the same faces, a person with poor visual acuity would have to get significantly closer. In the workplace, there is a multitude of tasks in which it is important to see fine details. Some ...