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BMS460-Unit 2 > Eye > Flashcards

Flashcards in Eye Deck (15):
1

Where do blow out fractures occur?

Maxillary bone

specifically the area where the nerve runs through

2

Action and innervation of L. rectus

Abducts eye

CN VI

3

Action and innervation of Inf rectus

Depress and adduct eye

CN III

4

Action and innervation of S. rectus 

Elevate and adduct eye
 

CN III

5

Actionand innervation of Med. rectus

adduct eye

CN III

6

Action and innervation of Sup. oblique

 

depress and abduct eye

CN IV

7

Action and innervation of Inf. oblique

Elevate and abduct eye

CN III

8

Action and innervation of Levator palpebrae

elevate upper lid

CN III

9

What muscles would be used to move the eye straight up or straight down?

*Potential exam Q*

Moving the eye up: Sup. rectus, inf. oblique

Moving the eye down: Inf. rectus, Sup. oblique

10

What travels through the sup orbital fissure?

  • CN III
  • CN IV
  • CN V1 branches
    • Lacrimal N
    • Frontal N
      • Supraorbital 
      • Supratroch.
    • Nasociliary N
      • Ciliary N
      • A+P Ethmoidal
  • CN VI
  • Ophthalmic vein

 

11

What travels through the optic canal?

  • CN II
  • Opthalmic A.
    • Supraorbital A.
    • Supratroch. A
    • A+P ethmoidal aa
    • Central A of retina
    • Ciliary aa to sclera and choroid
    • lacrimal A.

12

What drains into opthalmic vein?

Facial vein

Supraorbital vein

supratrochlear v

13

Where does opthalmic vein drain into?

Cavernous sinus

14

Branches of V1

Lacrimal N

Frontal N

                   -Supraorbital N.

                       -Supratrochlear N.

Nasociliary N

           -Ciliary N.

                              -A+P ethmoidal NN

15

Cranial parasympathetics travel with which CN after leaving pons?

III, IV, IX, X