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The Human Eye and Colourful World
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24/08/2021 6:04 pm
Topic starter
What change is made in the eye to enable it to focus on objects situated at different distances? Illustrate your answer with the help of diagrams.
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24/08/2021 6:06 pm
To focus on distant objects, the ciliary muscles of the eye get fully relaxed and pull the suspensory ligaments attached to the eye-lens tightly. This, in turn, stretches the eye-lens and the eye-lens becomes thin.
To focus on nearby objects, the ciliary muscles of the eyes contract and make the suspensory ligaments loose. The ligaments then stop pulling the eye-lens. The eye-lens bulges under its own elasticity and becomes thick.
This post was modified 5 years ago by Shivani siva