Question

When does myopia and hypermetropia happen

Answer 1

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❇️ Causes of Myopia

• Eyeball becomes too long
• High converging power of eye lens.

❇️ Causes of Hyprmetropia

• Eyeball becomes too short
• Low converging power of eye lens.

Answer 2

Answer:

MYOPIA:-

In this defect of vision a person can see nearby objects but cannot see distant object clearly.

This defect arises due to:-

1. increase in size of eyeball.
2. decrease in focal length of eye lens.

HYPERMETROPIA:-

In this defect of vision a person can see distant objects but cannot see nearby objects clearly.

This defect arises due to:-

1. decrease in size of eyeball
2. increase in focal length of eye lens.

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