Eye Anatomy I
The white part of your eyeball. A tough material that covers most of your eyeball
Sclera
The beginning of your optic nerve. It is also the entry point for the major blood vessels that supply the retina.
Optic Disc
These organs help us focus on the world around us.
Eyes
The help protect the eye and keep it moist.
eyelids
The clear dome that sits in front of the colored part of your eye. This external (outside) layer of tissue helps your eye focus when light shines through.
Cornea
The “great messenger in the back of your eye.” Its nerve fibers carry millions of messages from the eye to the brain!
Optic Nerve
Our eyes let us see , see how far away things are, and how big things are.
colors
The is the part of the eye with the color; darker eyes have more melanin.
iris
The colored part of your eye. It has the pupil in its center.
Iris
The clear part of the eye, behind the iris. It lets the eye focus on objects near and far.
Lens
Some scientists think the eye is part of the , because the nerves are so complicated.
brain
The is made of 2 kinds of cells, rods and cones.
retina
The black circle in the middle of the colored part of your eye (iris). This tissue gets bigger or smaller in response to changes in light
Pupil
It is to sneeze with your eyes open
The is the clear part that light goes through.
lens
An image will be if it doesn’t focus in the right place.
blurry
Located at the back of your eye. This thin layer of tissue contains light-sensitive cells called rods and cones. It sends signals to your brain to interpret what you’re seeing
Retina
Your eyes will focus on about things per second
50
The changes how much light comes into our eyes.
pupil
The change shape to focus on something close or far away
lenses