Retina and optic nerve Flashcards
1
Q
Function of retina
A
transform light energy into electrical signal
2
Q
What is the most metabolically active tissue in the body
A
retina
3
Q
axons of the RGCs coalesce at the lamina cribrosa and posterior to the globe to become what
A
CN 2
4
Q
Where does the optic nerve exit the orbit
A
optic foramen
5
Q
Where does information exchange of the optic nerves occur
A
optic chiasm
6
Q
What are the 4 retinal vasculature patterns
A
Holangiotic
Paurangiotic
Merangiotic
anangiotic
7
Q
Sharpness or exactness of an image
A
Acuity
8
Q
Vision in dim light is proportionate to what
A
number of rods
9
Q
How does animal vision compare to humans
A
Better flicker detection reduced color perception superior night vision larger visual fields reduced acuity
