Orbit Flashcards
1
Q
What is the innervation of the upper and lower eyelid
A
Upper-V1
Lower V2
2
Q
What kind of innervation allows you to see up close
A
Parasympthetic
3
Q
The pigment layer of the retina is attached to the
A
Choroid
4
Q
The opthalmic branch comes off of the
A
Internal carotid
5
Q
Which blood vessel runs into optic nerve
A
Central retinal artery
6
Q
Where are the parts that blood drains from the orbit
A
Superior-cavernous sinus
Inferior-terry good plexus
7
Q
Why would ptosis occur
A
Oculomotor nerve impairment of lev palp sup
8
Q
Which CN contain parasympathetic pathways
A
3, 7, 9
