How u=infinity?? ??

Dear Student,
Myopia is a defect of vision in which a person clearly sees all the nearby objects, but is unable to see the distant objects comfortably and his eye is known as a myopic eye. A myopic eye has its far point nearer than infinity. It forms the image of a distant object in front of its retina.
A myopic person can see close by objects clearly but as the the distance of objects increases, its harder for the person to identify the thing or object. So, distant objects doesn't have definite exact distance. Hence, u is taken infinity.

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U is the object distance. And it must be very very far from the lense that is why u=infinity
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