Visual acuity (VA) commonly refers to the clarity of vision. Visual acuity is
dependent on optical ... Visual acuity is a measure of the spatial resolution of the
visual processing system. VA, as it...
During an eye test, eye doctors use eye charts to measure how well you see in
the distance, compared with other human beings. If you haven't established an ...
Oct 6, 2003 ... by Wendy Strouse Watt, O.D.. October 2003. This information is also available as
part of an audiovisual presentation, “All About Eyeglasses”.
May 13, 2015 ... While searching about laser surgery for my myopia, I came across different
system to measure the quality of individuals' eye sight.
How to Measure Your Vision at Home. As you have probably noticed during your
visits to the eye doctor one of the first tests he makes you take is reading the ...
Dec 31, 2013 ... So what exactly are eye doctors measuring, and how can the scale be ... So, if
you take someone with 20/20 vision and put them 200 feet away ...
Visual acuity is determined by measuring the smallest size print that a person can
read. ... It uses capital letters of different sizes to test vision in literate adults.
www.vision-training.com/en/Vision test/Vision measurement.htm
The 20/20 label is a relative measurement of how well you see. If you can see a 9
mm letter at a distance of 6 meters (20 feet) then you have 20/20 vision.
www.vision-training.com/en/Vision test/Understand presecription.html
Most people that we talk to do not understand their vision prescription at all – it
may as well be Greek!. Here is a guide to help you in understanding what your ...
Jul 19, 2012 ... Learn how you can quickly test your eyesight at home using the computer ... Also
measure the distance of your eyes from the computer screen.