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In human eye the focussing is done by |
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a) |
To and fro movement of eye lens |
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b) |
To and fro movement of the retina |
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c) |
Change in the convexity of the lens surface |
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d) |
Change the refractive index of the eye fluids |
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In human eye the focussing is done by |
|
|
a) |
To and fro movement of eye lens |
|
b) |
To and fro movement of the retina |
|
c) |
Change in the convexity of the lens surface |
|
d) |
Change the refractive index of the eye fluids |
|
(c) Convexity of lens changes by the pressure applied by ciliary muscles |