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Question 1

Distance for Rosenbaum chart

Answer 1

14in or 36cm

Question 2

Most likely sinus wall to break in blunt eye trauma

Answer 2

Medial wall: Ethmoid bone
Inferior wall: Maxillary sinus

Question 3

Borders of the orbit

Answer 3

Superior: frontal sinus
Medial: ethmoid sinus
Inferior: maxillary sinus
Lateral: zygomatic bone

Question 4

Nerve control for the lateral rectus muscle

Answer 4

CN VI (abducens)

Question 5

What is a positive afferent pupillary defect? What does it indicate?

Answer 5

Opposite pupil dilates when light is shined on it
Optic nerve disorder

Question 6

Management for preseptal cellulitis

Answer 6

Oral antibiotics (co-amox or 1st gen ceph)
Hot packs
Close ff up in 24-48hrs

Question 7

Physical exam for postseptal or orbital cellulitis

Answer 7

Pain with eye movement, decreased visual acuity, limitation of EOM

Question 8

Acute bacterial infection of eyelash follicle and sebaceous glands of Zeis or sweat glands of Moll

Answer 8

Stye or external hordeolum

Question 9

Treatment for stye

Answer 9

Warm compress
Erythromycin ophthalmic ointment BID 7-10days

Question 10

Most common cause of viral conjunctivitis

Answer 10

Adenovirus

Question 11

What is herpes zoster ophthalmicus?

Answer 11

Shingles involving first division (V1) of the trigeminal nerve distribution with ocular involvement

Question 12

Treatment for herpes zoster ophthalmicus

Answer 12

1)Oral antiviral:
Acyclovir 800mg 5x a day or famciclovir 500mg TID or valacyclovir 1000mg TID
2)Cool compress
3)Bacitracin or erythromycin ointment for cutaneous lesions
4)Topical cycloplegic (cyclopentolate 1% 1drop TID) for pain

Question 13

Treatment of hyphema

Answer 13

Elevate head to 45deg
Anti fibrinolytic agent
Corticosteroids
Cycloplegic
Miotics
Aspirin

Question 14

ED treatment for globe rupture

Answer 14

Cover the eye with metal eye shield or shield from paper cup
Consult ophtha
Elevate head of bed to 45deg
Broad spectrum antibiotics
Tetanus toxoid, as appropriate
Sedation, analgesia, antiemetic

Question 15

Abrupt, painful, visual impairment associated with severe eye pain or frontal or supraorbital headache

Answer 15

Acute angle-closure glaucoma/crisis

Question 16

Treatment for acute-angle closure glaucoma/crisis to reduce IOP and block aqueous humor production

Answer 16

CAI: acetazolamide 500mg PO
Topical Bblocker: timolol 0.5% one drop BID
Topical A2agonist: apraclonidine 1% one drop TID

Question 17

Condition with cherry red spot

Answer 17

CRAO (acute visual loss without pain)

Question 18

Irreversible vision loss occurs how many hours?

Answer 18

4 hours of ischemia

Question 19

Characteristic of Horner’s syndrome

Answer 19

Ipsilateral ptosis
Miosis
Anhidrosis

Question 20

Findings in posterior communicating artery aneurysm

Answer 20

Acute CN III palsy with ipsilateral pupillary dilatation

Question 21

Characteristic of pseudotumor cerebri and initial management

Answer 21

Increased ICP, papilledema, normal CSF fluid, normal CT/MRI
Acetazolamide 500mg PO BID

Question 22

Treatment for otitis externa

Answer 22

Analgesia
Cleansing - gentle irrigation
Nonototoxic ototopical antibiotics - ofloxacin, cipro, dexa
*neomycin/polymixin/hydrocort - ototoxic

Question 23

Occurs when mandibular condyle is forced in front of the articular eminence and is the most common dislocation

Answer 23

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