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Monday, January 16, 2006

Mathzz

An optometry resident asked how to convert mm to dioptres when dealing with contact lenses.

Formula: 337.5/mm = Dioptres

That is, 337.5 divided by EITHER you dioptric measurement, OR your millimetres of radius, will instantly convert to the other corresponding mesurement.

posted by eyeman at 1:32 PM

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