PS3: structures of the eye Flashcards
1
Q
cornea
A
clear, curved structure through which light enters the eye. reflects light to the pupil
2
Q
pupil
A
opening to let light in
3
Q
lens
A
fine-tunes refraction angle of light to land on the retina
4
Q
retina
A
sheet of photoreceptors and cells in the back of the eye. light travels from ganglion cells to bipolar cells to photoreceptor cells
5
Q
ciliary muscle
A
stretches or pulls the lens
6
Q
optic nerve
A
grouped together ganglion cells. travels toward the brain.
7
Q
optic chiasm
A
where two optic nerves cross over each other in order to send signals from right to left and vice versa
