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Describe in detail the part of the eye that controls pupil diameter. Also, describe the cornea...

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Medical Sciences

Describe in detail the part of the eye that controls pupildiameter. Also, describe the cornea and exactly what does it cover?What is the conjunctiva and exactly what does it cover?Additionally, what is the structure that anchors the extrinsicmuscles to the eye? Additionally, trace the path of light throughthe eye to the retina.

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Pupil size influences accommodation by controlling the amount of light entering the eye In a bright light the pupils are constricted In a dim light they are dilated If the pupils were dilated in a bright light too much light would enter the eye and damage the retina In a dim light if the pupils were constricted insufficient light would enter the eye to activate the photosensitive pigments in the rods and cones which stimulate the nerve endings    See Answer
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