Explain the term- pupil pupil is the aperture, Ask an Expert

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Explain the term- PUPIL

Pupil is the aperture in centre of the iris diaphragm that regulates entry of light into the eye. Colour of pupil is said to be black. Actually, pupil has no colour as it is not a structure. It is seen black because of darkness behind. In case of cataract
it becomes gray or white.

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Biology, Academics

Category:- Biology
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