Assessment of visual acuity (VA) has been shown to vary between tests, which may be attributable in part to test inaccuracies, such as a change in the distance between the chart and subject. Therefore ...

Please provide your email address to receive an email when new articles are posted on . Visual acuity is still measured using tools developed more than 150 years ago: the Snellen eye chart, developed ...

At least once in your life, you must have squinted at the eye chart at the doctor’s office or DMV, trying to make out the blurry bottom line. The test seems simple enough, right? Read a random string ...