1.

Define presbyopia and cataract

Answer»

✨ HEY MATE ✨

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PRESBYOPIA ⤵

➡ in old age the ciliary muscles of a person become weak and lose flexibility .

HENCE, the POWER of accommodation of eye of old person decreases.

The person is not able to see the NEARBY objects clearly.

This DEFECT is a known as presbyopia.

presbyopia is also known as an old age hypermetropia.

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➡ CATARACT

➡ this defect also occurs in old age.

➡ cataract is the defect of eye in which an Opaque layer is formed over the eye lens .

➡ the eye lens become HAZY and the VISION of eye decreases.

✨ HOPE IT HELPS U ✨

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