NEUROLOGY
OCULAR PALSIES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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give better near vision
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control view focus
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control the amount of light that enters
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shape the eye
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Detailed explanation-1: -Iris regulates the amount of light entering the eye by adjusting its size. Iris is a thin membrane, which controls pupil which in turn regulates the amount of light entering the eye.
Detailed explanation-2: -Your pupil lets light into your eye as the muscles of your iris change its shape. The lens in your eye focuses light that passes through your pupil.
Detailed explanation-3: -It is important that the correct amount of light enters the eye. If too much light is let into the eye retinal damage could occur. However, if too little light passes into the eye then sight becomes difficult. In order to regulate the light levels entering the eye, the size of the pupil is adjusted by the iris.
Detailed explanation-4: -It allows light to enter the eyes so it can be focused towards retina to initiate the mechanism of vision.