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Does short-sightedness (myopia) or long-sightedness (hyper- metropia) imply necessarily that the eye has partially lost its ability of accommodation? If not, what might cause these defects of vision?

Does short-sightedness (myopia) or long-sightedness (hyper- metropia) imply necessarily that the eye has partially lost its ability of accommodation? If not, what might cause these defects of vision?

Grade:11

1 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
3 years ago
A myopic or hypermetropic person can also possess the normal ability of accommodationof the eye-lens. Myopia occurs when the eye-ballsget elongated from front to back.Hypermetropia occurs when the eye-ballsget shortened. When the eye-lens loses itsability of accommodation, the defect is called presbyopia.

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