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 ...

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 ...

We all know about the visits to the ophthalmologist for a vision checkup. The eye chart has letters that go from large to so very small. You stand 20 feet back covering one eye at a time and read. But ...

April 1 came and went with no significant effect from Conficker, but if you're stille worried your computer may be infected with the widespread worm, the Conficker Eye Chart can diagnose it with ease.

We're sending patients eye charts via email, doing zoom visits or telehealth visits by video or audio– it's been interesting to see that ophthalmologists can adapt to to this. I think that's going to ...

Poster, Yale University School of Art, 1988; Designed by Paul Rand; Offset lithograph on white paper; 43.8 x 22.2 cm (17 1/4 x 8 3/4 in.); Gift of Marion S. Rand, 2002-11-4. Cooper Hewitt, Smithsonian ...