What are the causes of hypermetropia?

Increase of focal length in eye lens

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Decrease of focal length in eye lens

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Shortening of eyeball

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Lengthening of eyeball

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Solution

The correct options are
A
Increase of focal length in eye lens

C
Shortening of eyeball

Hypermetropia or farsightedness is the eye defect when the image is formed behind the retina so that even though distant objects are clearly seen, nearer objects cannot be seen. This is due to: (i) Increase of focal length in eye lens, (ii) Shortening of eyeball.

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