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a transparent watery fluid in the front part of the eye.
a thin, transparent membrane covering the inside of the eyelids and the front of
the transparent bulge in front of the eye. Being transparent, it allows light rays to
enter the eye. This is a continuation of the sclera. Iris- coloured part of the eye
which surrounds the pupil a continuation of the choroid. It regulates how much
light enters the eye.
transparent jelly which fills the large space behind the lens. It keeps the lens and
the retina in position and also helps in the bending of light.
a transparent disc which focuses the light on the retina.
the hole in the middle of the iris through which light passes.
a ring of muscle which alters the thickness of the lens do rays can be focused on
the retina. When it contracts the suspensory ligaments become slack and the lens
thickens and when it relaxes the lens becomes thinner as the suspensory
ligaments pull on the lens.
the thin black middle layer containing the main arteries and of the eye. The black
pigment in this layer prevents reflection of light within the eyeball.
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hold the lens in position and alter its shape in conjunction with the ciliary muscle
also known as the yellow spot, this area has a large concentration of light
sensitive cells and so has the greatest visual ability.
the inner most layer of the wall of the eye, containing light sensitive cells.
connects the eye to the brain.
the point at which the optic nerve leaves the eye.…read more