Parts Of The Eye Flashcards
(7 cards)
0
Q
Lens
A
Ben’s light rays; focus is a flipped, inverted image onto the retina.
1
Q
Cornea
A
Protective covering where the light first enters the eye.
2
Q
Retina
A
A thin the structure at back of the eye that contains two types of receptor cells.
3
Q
Rods
A
Cells in the periphery of the retina that respond to black-and-white. Roger better in low light, more sensitive to motion, and have less visual acuity than cones.
4
Q
Cones
A
Centered in the fovea. Respond to color, good for daytime vision, more visual acuity.
5
Q
Optic nerve
A
Carries visual information to the lateral geniculate nucleus of the thalamus.
6
Q
Blind spot
A
A place where the optic nerve exits the eye; has no receptor cells, so no vision.
