Question

what is presbyopia .write its causes and corrections with the help of diagram?​

Answer 1

Answer:

What is presbyopia how is it caused how can it be corrected?

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.

Explanation:

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