How do you convert between contact lens prescription to 20/20 vision?
Question:
Answers:
Unfortunately there is not conversion factor for the two, since seeing 20/20 is subjective and differs from person to person. But there are estimates - for a prescription as high as yours the highest letter on the chart (the big E) is probably unreadable - this means that your vision is worse than 20/400 or >20/400. Hope this helps!
Other Answers:
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Your vision will get better with a combination of glyco and phyto
nutrients.
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