Which is more dangerous eyesight, a minus 5 diopter Rx or a minus 7.5?
It depends on what you mean by "dangerous." Obviously the higher degree of myopic (nearsighted) Rx with a -7.5 D. correction is going to be worse uncorrected at distance than the -5 D. eye. But the difference is negligible from the point of view of how well...
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17 Nov 2024