Ocular anatomy

Question 1

Muscle of Riolan

Answer 1

“Roll Tide Divide”

Rotates… Keeps tight against eyeball… And divides into anterior and posterior portion

Question 2

Lateral wall of orbit

Answer 2

“Great-Z”
Greater wing of sphenoid and Zygomatic
strongest wall

Question 3

Roof of orbit

Answer 3

“Front Less”
Frontal bone
Lesser wing of sphenoid

Question 4

EOM actions

Answer 4

“SIN- RAD” and “O’s to the Nose”
Superior= Intorsion
Recti (superior and inferior)= adduct

Question 5

Innervation to EOMs

Answer 5

LR6SO4

Question 6

what runs through the Foramen Rotundum

Answer 6

"Max is rotund"
Maxillary division (V2)

Question 7

What runs through the Foramen Ovale?

Answer 7

"Mandi is Oval"
Mandibular division (V3)

Question 8

What runs through the Cav sinus?

Answer 8

3,4,6, V1, V2

Question 9

WHat run through the Superior orbital fissure and the common tendinous ring?

Answer 9

“NOA nerves”
Nasociliary
Oculomotor
Abducens

Question 10

What runs through the foramen spinosum?

Answer 10

“SPIN-MMA”

Middle meningeal Artery

Question 11

Floor of the orbit

Answer 11

“My Pal gets his z’s on the floor”

Maxillary (majority/ weakest), palatine, zygomatic

Question 12

What runs through the stylomastoid foramen?

Answer 12

“style my face”

Facial nerve

Question 13

Walls of the orbit?

Answer 13

“2-2-3-4 all have sphenoid except the floor”

Roof, lateral wall, floor, medial wall

Question 14

Medial wall of the orbit?

Answer 14

“SMEL”
Sphenoid body, Maxilla, Ethmoid, Lacrimal
Thinnest/Smallest wall
Orbital cellulitis

Question 15

Branches of the ophthalmic artery

Answer 15

"CL MS LSE"
CRA
Lacrimal
Muscular
SPCA
LPCA
Supraorbital
Ethmoid

Question 16

Internal Carotid Branches

Answer 16

OPAM
Ophthalmic 
Posterior cerebral
Ant cerebral
Middle cerebral

Question 17

10 layers of retina

Answer 17

“IN new generations it is only optometrists examining pts retinas”

Question 18

What is collagen type 1?
type 2?
Type 4?

Answer 18

“Bowman’s Bones Stroma Sclera”
Type 2= vitreous
Type 4= Descemet’s

Question 19

AREDS vitamins?

Answer 19

“ACE ZInc”

Question 20

Angiod Streaks

Answer 20

“ANGI drinks PEPSI”

Pseudoxanthoma elasticum, Ehler’s Danlos, Paget’s Disease, Sickle Cell, Idiopathic

Question 21

6 conditions that cause break in Bruchs membrane (leading cause of Blindness in US)

Answer 21

"CH- BALA"
Choroidal Rupture
Histoplasmosis
Best's 
Wet AMD
Laquer cracks
Angiod Streaks

Question 22

Vitreous attachments in order of strength?

Answer 22

"VP OMaR"
Vitreous base/ Ora serrata, Posterior Lens
Optic Disc
Macula
Retinal Vessels

Question 23

Abnormal findings in NFL?

Answer 23

NFL “CSF” superficial vasculature
Cotton wool spots
Splinter hemes
Flame hemes

Question 24

Abnormal findings in INL?

Answer 24

Dot blot hemes Deep vasculature

Question 25

CN’s and what part of brain they attach

Answer 25

Rule of 4’s (CONTRA SO, CONRA SR)
3,4 Midbrain
5,6,7,8 Pons
9,10,11,12 Medulla

Question 26

How does uvula, tongue, and SO palsy relate to lesion?

Answer 26

Uvula away (Uvula to left lesion on right), SO palsy tilts head away (Right SO palsy, left head tilt), Tongue Toward (tongue left, lesion on left)

Question 27

Branches of V1?

Answer 27

NFL
Nasociliary
Frontal
Lacrimal

Question 28

Name the order of the meninges… Where is the subarachnoid space?

Answer 28

"PAD" 
Pia
(subarachnoid)
Arachnoid
Dura

Question 29

Orientation of fibers at the optic disc… Temporal vs Nasal

Superior vs Inferior

Answer 29

“SMIL”
Temporal fibers- don’t cross
Nasal- Cross

Question 30

Thickness of the optic rim tissue.

Answer 30

“ISNT”

Question 31

Summary of Inferior retinal fibers…

Answer 31

Lower fibers, Lateral, Loop (meyer’s), Lingual Gyrus

Question 32

Temporal lobe lesions cause superior visual field defects…

Answer 32

“PITS”
Parietal lobe= Inferior visual field defects (“pie on the floor”)
Temporal lobe= Superior visual field defects
“Pie in the sky”