vocabulary and function

Question Answer
A tough clear covering over the iris and pupil that helps protect the eye. Light bends as it passes through. cornea
The dark circle in the center of your iris. It's a hole that lets light into the inner eye. pupil
A clear fluid that helps the cornea keep its rounded shape aqueous humor
A muscle that controls how much light enters the eye. It is the colored part of your eye. iris
A clear, flexible structure that makes an image on the eye's retina. It can change shape to focus on objects that are close or far away. lens
The thick, clear jelly that helps give the eyeball its shape. vitreous humor
The thick, tough, white outer covering of the eyeball. sclera
The colorful, shiny material located behind the retina. Found in animals with good night vision. tapetum
The bundle of nerve fibers that carry information from the retina to the brain. optic nerve
The place where the optic nerve leaves the retina. The place where there are no light-sensitive cells. blind spot
The layer of light sensitive cells at the back of the eye. It contains rods and cones and is connected to the brain by the optic nerve. retina

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