Cerrar
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
