what is Presbyopia?and state it's caused
Answers
Answer:
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Answer:
Presbyopia is caused by a hardening of the lens of your eye, which occurs with aging. As your lens becomes less flexible, it can no longer change shape to focus on close-up images. As a result, these images appear out of focus.
Explanation:
To form an image, your eye relies on the cornea and the lens to focus the light reflected from objects. The closer the object, the more the lens flexes.
The cornea is the clear, dome-shaped front surface of your eye.
The lens is a clear structure about the size and shape of an M&M's candy.
Both of these structures bend (refract) light entering your eye to focus the image on the retina, located on the inside back wall of your eye.