Ocular anatomy Flashcards

1
Q

Muscle of Riolan

A

“Roll Tide Divide”

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

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2
Q

Lateral wall of orbit

A

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

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3
Q

Roof of orbit

A

“Front Less”
Frontal bone
Lesser wing of sphenoid

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4
Q

EOM actions

A

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

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5
Q

Innervation to EOMs

A

LR6SO4

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6
Q

what runs through the Foramen Rotundum

A
"Max is rotund"
Maxillary division (V2)
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7
Q

What runs through the Foramen Ovale?

A
"Mandi is Oval"
Mandibular division (V3)
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8
Q

What runs through the Cav sinus?

A

3,4,6, V1, V2

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9
Q

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

A

“NOA nerves”
Nasociliary
Oculomotor
Abducens

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10
Q

What runs through the foramen spinosum?

A

“SPIN-MMA”

Middle meningeal Artery

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11
Q

Floor of the orbit

A

“My Pal gets his z’s on the floor”

Maxillary (majority/ weakest), palatine, zygomatic

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12
Q

What runs through the stylomastoid foramen?

A

“style my face”

Facial nerve

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13
Q

Walls of the orbit?

A

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

Roof, lateral wall, floor, medial wall

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14
Q

Medial wall of the orbit?

A

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

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15
Q

Branches of the ophthalmic artery

A
"CL MS LSE"
CRA
Lacrimal
Muscular
SPCA
LPCA
Supraorbital
Ethmoid
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16
Q

Internal Carotid Branches

A
OPAM
Ophthalmic 
Posterior cerebral
Ant cerebral
Middle cerebral
17
Q

10 layers of retina

A

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

18
Q

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

A

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

19
Q

AREDS vitamins?

A

“ACE ZInc”

20
Q

Angiod Streaks

A

“ANGI drinks PEPSI”

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

21
Q

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

A
"CH- BALA"
Choroidal Rupture
Histoplasmosis
Best's 
Wet AMD
Laquer cracks
Angiod Streaks
22
Q

Vitreous attachments in order of strength?

A
"VP OMaR"
Vitreous base/ Ora serrata, Posterior Lens
Optic Disc
Macula
Retinal Vessels
23
Q

Abnormal findings in NFL?

A

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

24
Q

Abnormal findings in INL?

A

Dot blot hemes Deep vasculature

25
CN's and what part of brain they attach
Rule of 4's (CONTRA SO, CONRA SR) 3,4 Midbrain 5,6,7,8 Pons 9,10,11,12 Medulla
26
How does uvula, tongue, and SO palsy relate to lesion?
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)
27
Branches of V1?
NFL Nasociliary Frontal Lacrimal
28
Name the order of the meninges... Where is the subarachnoid space?
``` "PAD" Pia (subarachnoid) Arachnoid Dura ```
29
Orientation of fibers at the optic disc... Temporal vs Nasal | Superior vs Inferior
"SMIL" Temporal fibers- don't cross Nasal- Cross
30
Thickness of the optic rim tissue.
"ISNT"
31
Summary of Inferior retinal fibers...
Lower fibers, Lateral, Loop (meyer's), Lingual Gyrus
32
Temporal lobe lesions cause superior visual field defects...
"PITS" Parietal lobe= Inferior visual field defects ("pie on the floor") Temporal lobe= Superior visual field defects "Pie in the sky"