Which part of the eye controls the amount of light entering the eye?

Iris

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Cornea

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Retina

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Optic Nerve

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Solution

The correct option is A
Iris

Iris is a thin, circular structure in the eye. Black, blue or brown colour of the eye is because of the colour of iris. It is responsible for controlling the diameter and size of the pupil and thus the amount of light reaching the retina.

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Similar questions

Question 1

Part of the eye which controls the entering of light is called
(a) iris
(b) cornea
(c) lens
(d) retina

What is the function of the following -

a - pupil

b- cornea

c- retina

d- iris

e - eye lids

d- optic nerve

d- siliary muscles

i. amount of light entering into eye controlled by	a. rodes
ii. colour sensing cells	b. cones
iii.cells helping in vision in dim light	c. iris
iv. junction of optic nerve and retina	d. blindspot

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