what is myopia formula
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Power of Lens for Myopia. The required power of the correcting lens that helps to correct myopia may be calculated by using the approximate formula for the focal length of combined lenses, = 1 f 1 + 1 f 2 .
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madhumanu12:
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Focal lenghth of combined lens
1/f=1/f1+1/f2.
1/f=1/f1+1/f2.
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