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Name an Old Age Eye Defect. Why is It Caused? - Biology

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Question

Name an old age eye defect. Why is it caused?

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Solution 1

Presbyopia is an age-old eye defect. In this condition, the lens loses flexibility resulting in far-sightedness.

Cataract is also very common in old people, the cornea becomes opaque and the vision is cut down even to blindness.

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Solution 2

Hypermetropia. It is caused due to flattening of the eye lens (Also presbyopia in which lens looses flexibility).

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Chapter 8: The Nervous System and Sense Organs - Short Questions

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ICSE Biology [English] Class 10 ICSE
Chapter 8 The Nervous System and Sense Organs
Short Questions | Q 17
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