Visual acuity (VA) commonly refers to the clarity of vision. Visual acuity is
dependent on optical .... Emmetropic subjects with 6/6 vision or "better" (20/15, 20
/10, etc.) ... Measurement...
20/20 vision (or really, 20/20 visual acuity) is considered "normal" vision,
meaning you can read at 20 feet a letter that most human beings should be able
to read ...
"Normal" vision is 20/20. This means that the test subject sees the same line of
letters at 20 feet that person with normal vision sees at 20 feet. 20/40 vision ...
A visual acuity measurement of 20/70 means that a person with 20/70 vision who
is 20 feet from an eye chart sees what a person with unimpaired (or 20/20) ...
20/20 is average vision the chart was developed by Snellen. Its the size of a letter
that was ... So 20/20 is just where someone decided to draw the line as "normal"
or good enough. 20/15 means you can see at 20 feet what a person with 20/20 ...
And is it possible to achieve 20/20 eyesight or better using natural methods like ...
If the measurement has a minus (-) before it, you are nearsighted and have ...
The term, 20/20, is an expression of your ability to see at a distance. ... at an
object 20 feet away, your eye is relaxed in its normal shape, Dr. Johnson says.
You often heard of people wanting to get back their 20/20 vision. But what does
20/20 means? Find out more here and how to convert diopters to the 20/20
Searching for a free eye chart to test your vision at home? Here you'll ... A 3 to 4-
year-old should be able to read the 20/40 line, and a 5-year-old the 20/30 line.
If you have 20/20 vision, it means that when you stand 20 feet away from the
chart you can see what the "normal" human being can see. (In metric, the