Eye Flashcards
how do we see
our eyes take in light wave energy and convert that energy into an electrochemical form of energy
how do we see objects
we see objects because they reflect light or they are luminous and give out light
what is the iris
coloured part made of muscle
what is the lens
part that you see with
what is the cornea
transparent part of the sclera
what is the pupil
is made bigger or smaller by the iris
what is the optic nerve
it transfers visual information to the visual centre of the brain via impulses
what is the retina
it contains the receptor cells which are sensitive to light
what is the suspensory ligament
holds lens in place
what is the cilary body
controls shape of the lens
what is the process when light rays enter the eye
it goes through the cornea and passes through the lens which focuses the image it then goes to the retina which is at the back of the eye