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What is the function of Iris?(a) Source of nutrition(b) Detect color(c) Varies focal length(d) Control amount of lightI had been asked this question by my college professor while I was bunking the class.The above asked question is from Elements of Visual Perception in portion Image Restoration and Reconstruction of Digital Image Processing

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The CORRECT option is (d) Control amount of light

The explanation is: Iris is responsible for CONTROLLING the amount of light that enters the HUMAN EYE.



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