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conversion table for lenses & glasses

rif887
I want to know the power conversion for soft contact lenses & glasses.
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rif887
Can u tell me that for -7.25 power glasses number of contact lense.
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711220 tn?1251891127
MEDICAL PROFESSIONAL
Ray T Oyakawa, MDBlank
There is a conversion wheel that we use. I don't know if one is available on the internet.


Dr. O.
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toric lenses - cylinder and power

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