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Eyeball
Question | Answer |
---|---|
eyeball sits in a bony socket called | orbit |
outer layer and white of your eye | sclera |
eyeball has this many layers | three |
central layer and supplies blood to the eye | choroid |
blood supplies the eye with | nutrients and oxygen |
inner skin like layer of the eye | retina |
contains the light sensitive cells | retina |
sensory receptors | rods and cones |
transparent layer at the front of the eye | cornea |
protect the eye and focus light | cornea |
cornea is covered by the membrane called | conjuctiva |
ring od muscula tissue between the cornea and the lens | iris |
gives the eye color | pigment |
the hole which allows light to pass through into the eye | pupil |
curved structure which bends light to form an image | the lens |
lens is made up of | transparent proteins |
visual effect called | presbyopia |
watery substance | aqueous humor |
the membrane that contains the light sensitive cells | retina |
respond to daylight and give your color vision | cones |
help you see at night | rods |
jelly like substane | vitreous humor |
causes light to converge to a focus or focal point | convex lens |
cause light to diverge or spread out | concave lens |
used by near sighted people | concave lens |
used by far sighted people | convex lens |
is used in telescopes | convex |