MCQOPTIONS
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| 1. |
The focusing in the eye is done by: |
| A. | Change in the convexity of the lens. |
| B. | to and fro movement of the lens |
| C. | to and fro movement of the retina |
| D. | change in the refractive index of the eye fluid. |
| Answer» B. to and fro movement of the lens | |