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A female asked:

Is -4.00 prescription stronger than a -4.25. i just recently went to have an eye exam the doctor said my eyes got worse but new prescription is -4.00.

1 doctor answer1 doctor weighed in
Dr. Richard Carlin
Ophthalmology 50 years experience
No: The higher the number, the stronger the prescription. However a quarter of a diopter is a very very minimal change, not really significant.

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Last updated Dec 5, 2020

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