Question

what do you mean by presbyopia and caterect??

Answer 1

Presbyopia is occur in old person in which old person not see distant as well as far object due to loss of power of accommodation.
Carteret is a decease in which we can see a object in blurry way.

Answer 2

Presbyopia

Usually power of accommodation of eye decreases with ageing..
Sometimes, the near point of the eye gradually decreases.
Then it's uncomfortable to see nearby objects clearly and distinct objects by corrective eye glasses.

Cataract

The crystalline eye lens of the people at Old age becomes milky and cloudy.
This causes partial or complete loss of vision.
It is possible to restore vision through a charact surgery.


Hope this may help uh!!!