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What do understand by the term pupil reflex ?explain with the diagram​

Answer»

Explanation:The pupillary light reflex (PLR) or photopupillary reflex is a reflex that controls the diameter of the pupil, in response to the intensity (LUMINANCE) of light that falls on the retinal ganglion cells of the RETINA in the BACK of the eye, thereby assisting in ADAPTATION of vision to various levels of lightness . I am sorry I cannot describe with the diagram



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