m m m m m m m
CTUAL 2025) m
Initial: LMNOPQRST PAA PAA
m m m
Hypoxia or bronchogenic carcinoma clubbi
m m m m
ng
myasthenia gravis bilate m m
ral ptosis
m
Horners syndrome (loss of cervical sympathetics, ptosis, miosis
m m m m m m m
, and anhydrosis) or CNIII lesion.
m m m m m
Unilaterael ptosis m
early stages of ankylosing spondylitis Iritis/
m m m m m
uevitis
,*Lateral Rectus*: Moves eye laterally. Abducts. (CN VI, abduc
m m m m m m m m
ens)
*Medial Rectus*: Moves eye medially. Adducts. (CN III, oculo
m m m m m m m m
motor)
*Superior Rectus*: Elevates and adducts eye. (CN III, oculomo
m m m m m m m m
tor)
*Inferior Rectus*: Depresses and adductors (CN III, oculomoto
m m m m m m m
r)
*Inferior oblique*: Elevates eye and abducts ( CN III, oculomot
m m m m m m m m m
or)
*Superior Oblique*: Depresses eye and abducts. ( CN IV, troch
m m m m m m m m m
lear)
LR6 – SO4 – R3
m m m m
Give me all muscles of the eye, what action they perform, and
m m m m m m m m m m m m
what innervates them.
m m
,*CN 3/Oculomotor*: Superior/middle/inferior rectus, inferior
m m m m m
oblique, and levator palpebrae muscle
m m m m
*CN 4/Trochlear*: Superior oblique muscle
m m m m
*CN 5/Trigeminal*: Corneal Sensation
m m m
*CN 6/Abducens*: Lateral Rectus Muscle
m m m m
*CN 7/Facial*: Muscles of the eyelids and lacrimal glands LR
m m m m m m m m m
6 – SO4 – R3
m m m m
Tell me what these CN's do regarding the eye.
m m m m m m m m
Oculomotor Tr m
ochlear Trigemi
m
nal Abducens F
m m
acial
, CN III. It has been displaced by laterally by the lateral rectus an
m m m m m m m m m m m m
d inferiorly by the superior oblique.
m m m m m
If the eye is "down and out", what nerve is paralyzed?
m m m m m m m m m m
CN IV, trochlear
m m
What nerve is paralyzed?
m m m
No obvious resting orientation of eyeball. Patient complains o
m m m m m m m m
f diplopia and may develop head tilt AWAY from site of lesio
m m m m m m m m m m m
n.
CN VI, abducens.
m m
eye is stuck in adduction. What nerve is paralyzed?
m m m m m m m m
Increased intracranial pressure Papi
m m m
lledema indicates...m
AV nicking, silver wire arterioles, widened light reflex Wha
m m m m m m m m
t will we see in the eye for arteriosclerosis?
m m m m m m m m