lense

Sclera

Ciliary muscles

Retina

Optic nerve

Pupil

Cornia

Iris

Rods

cones

blind spot

Astigmatisms

Presbyopia

First light passes through the_____ and bends the light to make it focus.

Some light goes through the _______, and the ****(the coloured part of the eye) controls how much light goes through.

Next, light passes through the _____ (a clear inner part of the eye). The ______ works together with the cornea to focus light correctly on the retina.

When light hits the _______ (a light-sensitive layer of tissue at the back of the eye), special cells called photoreceptors turn the light into electrical signals.

These electrical signals travel from the retina through the______ to the brain. Then the brain turns the signals into the images you see.

Myopia

Hyperopia

reflecting vs refracting

convex vs concave