Question

eye defects &correction
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Answer 1

Answer:

hy

Explanation:

MYOPIA or NEARSHIGHTED. Myopia occurs when the eyeball is too long, relative to the focusing power of the cornea and lens of the eye. ...

HYPEROPIA or FARESIGHTED. This vision problem occurs when light rays entering the eye focus behind the retina, rather than directly on it. ...

ASTIGMATISM. ...

PRESBYOPIA....

Myopia can be corrected by wearing glasses/contacts with concave lenses these help to focus the image on the retina. Hyperopia: (farsightedness) This is a defect of vision in which there is difficulty with near vision but far objects can be seen easily. The image is focused behind the retina rather than upon it..

Answer 2

Explanation:

1. this is the answer about eye defects and correction