Nature

Longitudinal comparison of visual acuity as measured by the ETDRS chart and by the potential acuity meter in eyes with macular edema, and its relationship with retinal ...

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 ...
Nature

Performance of a computerised visual acuity measurement device in subjects with age-related macular degeneration: comparison with gold standard ETDRS chart measurements

The aim of the study was to compare the performance of two different COMPlog computerised, single letter scoring, visual acuity (VA) measurements against gold standard Early Treatment Diabetic ...
Monthly Prescribing Reference

New Vision Test Extends Range of Visual Acuity Measurement

New Vision Test Extends Range of Visual Acuity Measurement The Berkeley Rudimentary Vision Test (BRVT), a simplified visual task, is feasible for measuring visual acuity in patients with severe visual ...
Florida Today

Focus on Eyes: What does it mean to have 20/20 vision

What does 20/20 vision mean? When you visit your doctor or an eye care professional, you may be asked to read an eye chart. You may be told you have normal 20/20 vision. What does that really mean? An ...
Gizmodo

How the 20/20 Vision Scale Works

With more than 150 million people in the United States (nearly half of the population) requiring some form of corrective eyewear to compensate for visual impairment, chances are you have had your ...