Question

Define:
Presbyopia and Astingmatism.

Answer 1

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Answer 2

A visual condition which becomes apparent especially in middle age and in which loss of elasticity of the lens of the eye causes defective accomodetion and inability to focus sharply for near vision



Astingmatism
______________
it is a common vision condition that causes blurred vision.it occurs when the cornea is irregularly shaped for sometimes because of the curveture of the lens inside the eye
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