Vision Flashcards
(8 cards)
1
Q
What is accommodation
A
Changing the shape of the lens
2
Q
How does glaucoma occur
A
A blocked filtration angle that results in an increased pressure
3
Q
5 major types of cells in retina
A
Photoreceptors, Bipolar cells, ganglion cells, horizontal cells amarcrine cells
4
Q
What do pigment epithelium do?
A
Absorb extra photons to get rid of backscatter
Contain dark melanin pigments
5
Q
Nocturnal animals have more of a __________
A
Tepetum
6
Q
The retina is part of what nervous system
A
The CNS
7
Q
What are the connections of cones?
A
Single cone to sing bipolar to single ganglion allows for High acuity
8
Q
What are the connections for Rods?
A
Synapse with a distinct class of bipolar cells, synapse with amacrine cells, synapse on ganglion cells. - multiple rods will synapse onto individual bipolar cells, and often include horizontal cells
