What is Presbyopia???????
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Presbyopia is the defect of vision in which a person can't able to see both the nearby and distant object is called Presbyopia.
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PRESBYOPiA
long-sightedness caused by loss of elasticity of the lens of the eye, occurring typically in middle and old age.
Measures
Most experts believe presbyopia is caused by changes to the lens inside the eye. As people age, the lens becomes harder and less elastic, making it more difficult for the eye to focus on close objects. For centuries presbyopia was corrected with the use of bifocal eyeglasses.
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