what is pressbiopiya
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It is a situation in which the person is not able to see the distant and near by objects clearly.
Causes :
(1)weakening of the ciliary muscles
(2)reduce in the flexibility of eye lens.
So a bi-focal lens is use for its correction.
Hope it is usefull...
Answered by
3
PRESBYOPIA:-
It is the defect of vision with oldage. In this defect elasticity of cilliary muscle and flexibility of eyelens is weak with age.
It is corrected by Bi-focal lense i.e. converging and diverging lense.
HOPE IT HELP YOU.
:-)
It is the defect of vision with oldage. In this defect elasticity of cilliary muscle and flexibility of eyelens is weak with age.
It is corrected by Bi-focal lense i.e. converging and diverging lense.
HOPE IT HELP YOU.
:-)
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