Ok, so the point is that I don't think eye test of optometrists really show your vision strength. I do believe that they are set up in an unnatural environment, in a setting your eyes will never have to deal with anything in real life.
But many of my customers have asked me how they can test their 20/20 vision, so here is a chart and the test:
Measure the length of the blue bar in centimeters. Step back from your screen as many feet as you measured centimeters, ie if it's 5 cm long, step 5 feet (1.5 m) back. ( 1 foot = 30cm)
Now check which line you can read.
The big "E" on the top is 20/200, he "T" & "B" 20/100.
The 2nd line is 20/50
The 3rd line is 20/40
The 4th line is 20/30
The 5th line is 20/20
The last line is 10/20
20/40 equals about -1 diopter, the limit for driving a car unrestricted (interesting that you don't need to drive with glasses at -1, don't you think).
20/200 supposedly equals -5 diopters.
So test your eyes, and see for yourself if your glasses might be too strong.
To find out more about how to get rid of your glasses altogether, get instant access to my free video series at the top of this page.
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