Question

severe myopia is defined as -6 diopters reverse what would the minimum focal length of a lens how to be an order to correct for severe myopia​

Answer 1

The distance from eye to which he can see clearly gives the focal length. To convert to diopters of power, divide 100 by that focal length in centimeters. Eg if he can see clearly upto 40 cm, focal length would be 40 and power required would be -2.5 diopters (100/40).

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Answer 2

Explanation:

The distance from eye to which he can see clearly gives the focal length. To convert to diopters of power, divide 100 by that focal length in centimeters. Eg if he can see clearly upto 40 cm, focal length would be 40 and power required would be -2.5 diopters

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