state the functions of iris, cornea,pupil,lens,ratina,macula,fovea,vitreous gel.
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Cornea: Refraction of the light rays falling on the eye.
Iris: To control the size of the pupil.
Pupil: To regulate and control the amount of light entering the eye.
Retina: To act as a screen to obtain the image of object and generate,electrical signals which are sent to the brain via optic nerves.
Lens The lens exists behind the pupil and is responsible for allowing your eyes to focus on small details like words in a book.
Vitreous Humour The vitreous humour is a gel-like substance that helps to keep the eyeball in its proper, circular shape.
Cilliary Muscles: Adjusts focal length of eye lens by contraction and relaxation so that sharp image can be obtained on the retina. It helps in accommodation.
Iris: To control the size of the pupil.
Pupil: To regulate and control the amount of light entering the eye.
Retina: To act as a screen to obtain the image of object and generate,electrical signals which are sent to the brain via optic nerves.
Lens The lens exists behind the pupil and is responsible for allowing your eyes to focus on small details like words in a book.
Vitreous Humour The vitreous humour is a gel-like substance that helps to keep the eyeball in its proper, circular shape.
Cilliary Muscles: Adjusts focal length of eye lens by contraction and relaxation so that sharp image can be obtained on the retina. It helps in accommodation.
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