<u><em>hello,</em></u>
<u><em>Vitamin A deficiency</em></u> can cause both temporary and permanent eye damage, and may even lead to blindness. In fact, vitamin A deficiency is the world's leading cause of blindness.<em>Vitamin is most damaging to women,preganant women and increase mortality function.</em>
<em>thanxxxx</em>
<em>heyyya</em>
<em>mark as brainlisttt</em>
With increase in altitude atm pressure decreases... :)
The functions of eyes parts are as follows:
Retina: The rays of light focused on the retina by the cornea and lens. The retina produces an image which is sent along the optic nerve of the brain.
Iris: It changes the size of pupil and allows different amount of life to enter the eyes.
Pupil: The light enters to the eyes through it.
Cornea: It forms the outer coating of the eyeball and covers the iris and pupil.
Lens:
