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 ...

Objectives (1) To test the consistency and ease with which number-plates of different component figures can be read under DVLA driving test conditions; (2) to test the relative difficulty of reading ...

Less than half of UK motorists surveyed by the Driver and Vehicle Licensing Agency (DVLA) know they must be able to read a number plate from 20 metres away in order to drive safely. As a vision test, ...

What is the farthest a human can see? What is the best recorded visual acuity? How far is the horizon? I am often asked these questions by clinicians and non-ophthalmologists and thought many of you ...

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 ...

SAN FRANCISCO, California — A vision-testing system that factors real-world contrast and lighting conditions into the measurement of acuity could help ophthalmologists understand why patients with ...

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 ...