Eye:
A vision:
Eye is a ball shaped muscular organ in a little hollow area the
eye socket in the skull in the front part is protected by the
eyelid. The main function of the eyelid is to keep the eye clean
and moist by opening and shutting several times a minute. The
eyelid is muscle skin that protects the eye and it also has great
reflexes, which are automatic
body responses, which protect the eye. Eye is one of
the most complicated organs to study because it has a lot of parts
working together to give a complete vision like lens, cornea,
retina, and other parts. Light first passes through a cornea, which
refracts the light and then passes through a lens, which refracts
the light further, so that it forms a focused image on the
retina.
Parts of the eye:
Cornea is a part that is exposed to light and the surrounding and
it is a clear white thing over the outside of the eye that helps
the eye focus like a lens on a camera. Iris is that part of the
eyes that has color and as it gets bigger and smaller to let in
different amounts of light. Pupil is a Black opening in the middle
of the eye and light comes through this opening. The aqueous humor
is clear watery stuff that keeps the eye clean and it also provides
nutrition to the eye. A lens is that organ that bends light and it
also helps the eye see close up and far away things. The retina has
nerve cells called rod cells and cone shaped cells those are at the
back of your eye.
Chamber of the eyes:
Between the iris and cornea is the anterior chamber and this
chamber is filled with a special transparent fluid that gives the
eye oxygen, protein, and glucose which is a type of sugar in the
body so that it is kept healthy. It is seen that the pupils will
get smaller when the light shines near them and they'll open wider
when the light is gone.
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geographical distribution and is also depend on the quantity of
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