what is myopia ......
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myopia means nearsightedness....
I mean it is a condition in which close object appear clearly but far objects can't be seen clearly
I mean it is a condition in which close object appear clearly but far objects can't be seen clearly
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3
Myopia, also known as nearsightedness, is the case in which the I can see nearby object clearly but the distant object appears to be indistint.
This means that the far point of the eye is not an infinitive but she closer to the eye.
In nearsightedness image is formed in front of retina.
There are two reason for this defect:
1.The curvature of the cornea and the eye
lens increases.The muscles near the lens
can not relax so that the converging
power of the lens remains large.
2. The eyeball elongates so that the
distance between the lens and the retina
increases.
This defect can be corrected using spectacles with concave lens of proper focal length.
This means that the far point of the eye is not an infinitive but she closer to the eye.
In nearsightedness image is formed in front of retina.
There are two reason for this defect:
1.The curvature of the cornea and the eye
lens increases.The muscles near the lens
can not relax so that the converging
power of the lens remains large.
2. The eyeball elongates so that the
distance between the lens and the retina
increases.
This defect can be corrected using spectacles with concave lens of proper focal length.
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