Visual acuity is a measure of how small a detail that is visible can be, and still be identified by a person. The most common way of testing vision is to use an eye chart, (the kind that you see in an ...

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 ...

Please provide your email address to receive an email when new articles are posted on . We ophthalmologists are all introduced to pinhole or small-aperture optics on the first day of our residency ...

To evaluate the relationship between visual acuity as measured by the Early Treatment Diabetic Retinopathy Study (ETDRS) chart and by the potential acuity meter (PAM) with retinal thickness and ...

Visual acuity --- the ability to see objects in sharp detail --- was evaluated in 1,504 children aged 30 to 71 months as part of the Baltimore Pediatric Eye Disease Study, the first large, ...

Visual acuity--the ability to discern letters, numbers, and objects from a distance--is essential for many tasks, from recognizing a friend across a room to driving a car. Researchers previously ...