what is cornea, iris and retina? give definition
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HEY
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HERE IS YOUR ANSWER
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The cornea and the lens help to focus the light rays onto the back of the eye.
The cells in the retina absorb and convert the light to electrochemical impulses which are transferred along the optic nerve and then to the brain.
The iris and the pupil control how much light to let into the back of the eye.
FUNCTION
The eye receives oxygen through the aqueous. Its function is to nourish thecornea, iris, and lens by carrying nutrients, it removes waste products excreted from the lens, and maintain intraocular pressure and thus maintains the shape of the eye. This gives the eye its shape. It must be clear to function properly.
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__________________
HERE IS YOUR ANSWER
__________________
The cornea and the lens help to focus the light rays onto the back of the eye.
The cells in the retina absorb and convert the light to electrochemical impulses which are transferred along the optic nerve and then to the brain.
The iris and the pupil control how much light to let into the back of the eye.
FUNCTION
The eye receives oxygen through the aqueous. Its function is to nourish thecornea, iris, and lens by carrying nutrients, it removes waste products excreted from the lens, and maintain intraocular pressure and thus maintains the shape of the eye. This gives the eye its shape. It must be clear to function properly.
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sunidhi75:
it's okay but I have not asked their functions
I have asked what are they?
u ask only definition
yess
not function
yes
ok
what OK? correct it
hlo
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2
hey friend!
here is your answer
the very first layer in our eyes is called cornea
you will find a colour part of our eye it is called the Iris. the function of the Iris is to contract or relax The Pupil do either increase or decrease the intensity of light entering our eye
lastly Retina is like a screen ... that is where the images formed and the signals are sent to your brain through optic nerves
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here is your answer
the very first layer in our eyes is called cornea
you will find a colour part of our eye it is called the Iris. the function of the Iris is to contract or relax The Pupil do either increase or decrease the intensity of light entering our eye
lastly Retina is like a screen ... that is where the images formed and the signals are sent to your brain through optic nerves
hope it helps please mark me the brainliest
#Bebrainly
;-)
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