Question

what is cataract and how it can be corrected distinguish it from presbyopia​

Answer 1

ANSWER :

cataract: The condition in which the lens of the eye of a person becomes cloudy and milky resulting in blurred vision is called cataract.

cause of formation of cataract: Cataract develops when the eye lens of a person becomes cloudy due to the formation of a membrane of proteins over it.

: Cataract develops when the eye lens of a person becomes cloudy due to the formation of a membrane of proteins over it.it can be corrected by removing the protein layer through surgery.

: Cataract develops when the eye lens of a person becomes cloudy due to the formation of a membrane of proteins over it.it can be corrected by removing the protein layer through surgery.Presbyopia (old sight) The defect of vision due to which an old person cannot see the nearby objects clearly is called presbyopia. 

Reasons:  It occurs due to the loss of power of accommodation of eye because of wakening of ciliary muscles and reducing flexibility.

:  It occurs due to the loss of power of accommodation of eye because of wakening of ciliary muscles and reducing flexibility. 

 "HOPE THIS WILL HELP YOU"

 

Answer 2

Hey there

cataract: The condition in which the lens of the eye of a person becomes cloudy and milky resulting in blurred vision is called cataract.

cause of formation of cataract: Cataract develops when the eye lens of a person becomes cloudy due to the formation of a membrane of proteins over it.

it can be corrected by removing the protein layer through surgery.Presbyopia (old sight) The defect of vision due to which an old person cannot see the nearby objects clearly is called presbyopia. 

Reasons:  It occurs due to the loss of power of accommodation of eye because of wakening of ciliary muscles and reducing flexibility.

HOPE IT HELPS ☺