What are the functions of the cornea, iris, pupil, eye lens and retina?

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Solution

The cornea is the outermost part of the eye at which the maximum refraction takes place.
Iris controls the size of the pupil as per the intensity or brightness of the light.
Eye lens provides the finer refraction such that the image is formed at the retina.
The retina is the light-sensitive screen over which the image is focussed.

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Similar questions

What is the function of the following -

a - pupil

b- cornea

c- retina

d- iris

e - eye lids

d- optic nerve

d- siliary muscles

(a) Draw a labelled diagram of the human eye. Label the following parts on this diagram: Cornea, Iris, Pupil, Ciliary muscles, Eye-lens, Retina, Optic nerve and Blind spot.

(b) What are the functions of the following parts of the eye?

(i) Iris (ii) Eye-lens (iii) Ciliary muscles (iv) Retina (v) Optic nerve

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