Difference between revisions of Diopters

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(most sources say -0.5 to -3 D is mild myopia, -3 to -6 is moderate, and -6 to -infinity is high)
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|+ Approximate categorizations of myopia by [[spherical]] lens power:
|+ Approximate categorizations of myopia by [[spherical]] lens power:
|-
|-
| 0.00 to -0.75 dpt || Probably don't need glasses
| 0.00 to -0.50 dpt || Not really considered myopic, probably don't need glasses
|-
|-
| -1.00 to -2.00 dpt || Mild myopia, no [[differentials]] needed
| -0.50 to -1.00 dpt || Mild myopia, [[normalized]] sometimes not needed
|-
|-
| -2.00 to -5.00 dpt || Moderate myopia, glasses always needed
| -1.00 to -2.00 dpt || Mild myopia, [[differentials]] possibly not needed
|-
|-
| -5.00 to -10.00 dpt || High myopia
| -2.50 to -3.00 dpt || Mild myopia, differentials probably needed
|-
| -3.00 to -6.00 dpt || Moderate myopia, glasses always needed
|-
| -6.00 to -10.00 dpt || High myopia
|-
|-
| -10.00+ dpt || Very high myopia. Field of view significantly reduced.
| -10.00+ dpt || Very high myopia. Field of view significantly reduced.