Skip to main content

Questions tagged [visual-acuity]

Filter by
Sorted by
Tagged with
2 votes
2 answers
163 views

What would be visual acuity of a person if he can can read all letters of 20/25 and most of 20/20 on Snellen chart?

Suppose this is the Snellen chart: And you measure your normal visual acuity using correct rules (i.e., placing it at 6 meters distance, in observation of an examiner in hospital. And suppose you can ...
Vikas's user avatar
  • 243
9 votes
1 answer
447 views

What is the distribution of corrected visual acuity?

While talking with friends about retina displays, resolution of TVs in relation to viewing distance, and so on, I pointed out that not everyone goes periodically to the eye doctor, unless the ...
FarO's user avatar
  • 251
5 votes
1 answer
2k views

What is the angular resolution of the 'ideal' human eye?

The visual acuity page on wikipedia suggests 1.8 arcmin @ 1km away (but says nothing about the relationship expected between distance and angular resolution) whilst the page on angular resolution ...
jheriko's user avatar
  • 151