Science, asked by manjukaushal094, 4 months ago

what is defect of vision. explain how it can be corrected

Answers

Answered by ALLWIN801

4

There are mainly three common refractive defects of vision. ... These are (i) myopia or near-sightedness, (ii) Hypermetropia or far – sightedness, and (iii) Presbyopia. These defects can be corrected by the use of suitable spherical lenses. We discuss below these defects and their correction.

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