What is the function of the iris and the muscle connected to the lens in human eye?

Iris gives the eye color.
The key function of this is to regulate the amount of light that reaches the eye. Ciliary muscles {Linked to the eye lens} contract and relax to adjust the lens focal length ... That helps us to see things nearby and far away. Therefore it is called the power of accommodation of the human eye.

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Updated on: 10-Oct-2022

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