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• This nerve to an EOM does not pass through the muscle cone on entering the

orbit?

a. CN 111b. CN. 1V.c. CN. VD.CN.V1

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2.the five major branches of the facial nerve include the temporal ,buccal, marginal mandibular cervical and

a. Temporal parietal.b. zygomatic.c. infraorbital.D . zygomaticofacial.

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• 3.the superior transverse ligament is also referred to as

a. lockwood’s ligament.b. sommerring’s ligament.c. The roof.d. whitnall’s ligament

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• 4.the most common location of orbital lymphoma is

a. The EOM.b. retro-orbital fat.c. Lacrimal fossa.d. Orbital floor.

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• 5.which of the following signs is most likely to be present in a patient with Graves ophthalmopathy?a. Exophthalmos .b. External ophthalmoplegiac. Eye lid retraction.d. Optic neuropathy.

Quiz -1V• 6.in cases of implant extrusion following enucleation or evisceration all of the following

are true except. a. early extrusion is associated with an implant

that is too small.b. early extrusion is associated with poor wound closure.c. Late extrusion can be associated with tumor

recurrence.d. Late extrusion can be associated with a

conjunctival cyst.

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7.indications for repair of orbital blowout fracture include all of the following excepta.Cosmetically unacceptable enophthalmos.b.Fractures involving more than half of the

orbital floor.c.Inferior rectus weakness.d.Pain and oculocardiac reflex on up gaze

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• 8.the laser –tissue interaction by which the excimer laser reshapes the cornea isa. photocoagulation.b. photodisruption.c. photoablation.d. photodynamic.

Quiz -1V• 9.which of the following is true regarding keratoconus?a. Patients with keratoconus have corneal thinning in the paracentral region.b. LASIK should be avoided in keratoconus.c. Topography is helpful in diagnosing keratoconus

in the absence of clinical findings.d. All of the above are true.e. Non of the above are true

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• 10.which of the following conditions is an absolute contraindication to refractive

surgery?a. Dry eyes.b. glaucoma.c. Scleral buckle.d. Herpes virus.e. Amblyopia with vision<20/200

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• 11.which of the following refractive surgery procedures is under clinical investigation for treatment of keratoconus?a. PRKb. LASIK.c. Holmium laser.d. Conductive keratoplasty.e. Intrastromal corneal ring segments.

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• 12.all of the following may result in a shallow anterior chamber in the post operative period after cataract surgery except:

• A.wound leak.• B.pupillary block.• C.suprachoroidal effusion.• D. posterior infusion syn.• E.ciliary block with aqueous misdirection.

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• 13.the goal of anterior vitrectomy is

• A. removal of vitreous from the wound.• B. removal of vitreous so that pc lens can be placed.c. Prevention of CME.d. removal of vitreous anterior to the

posterior lens capsule

Quiz -1V• 14.during phacoemulsification ,when the surgeon notes a tear in the pc ,the first priority is

a. Finish phacoemulsification of the nucleus.

b. Convert to ECCE.

c. Freeze the action and asses.

d. Perform a vitrectomy.

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15.which of the following systemic diseases is not associated with ectopia lentis?

a.homocystinuria.b.ehlers-danlos syn.c.Marfan syn.d.Myotonic dystrophy.e.Sulfite oxidase deficiency.

Quiz -1V• 16.if a patient presents in your office with a mature cataract in one eye and a clear lens in the other which test would not helpful in

deciding whether the patient should have cataract surgery?

a. ultrasound.b. Blue light entoptoscopy.c. Color vision testing.d. Laser interferometry.e. Two point discrimination.

Quiz -1V• 17.le fort 11 fractures characterized by

• A. have a pyramidal configuration and involve the nasal, lacrimal and maxillary bones as well as the medial orbital floor.

• B. craniofacial disjunction.the orbital floor ,medial and lateral walls are involved.

• C. a low transverse maxillary fracture above the teeth with no orbital involvement.

• D. vertical splitting of the orbit

Quiz -1V• 18.six hours after a bilateral blepharoplasty,the

patient complains of sudden pain near the right eye. the dressings are removed and right eye lids are tense and ecchymotic. the first step would be to

• A. open the wound to release a possible RBH.• B. consider the possibility of a cavernous sinus

thrombosis and check corneal sensation.• C. measure VA and check pupillary responses.• D. begin treatment with ice packs.• E. begin treatment with warm compresses.

Quiz -1V• 19.in the evaluation ofa child with unilateral

exophthalmos which assumption is correct?• A. cavernous hemangiomas are among the most

common benign orbital tumors in children.• B .thyroid ophthalmopathy is the most common cause of

unilateral exophthalmos among children.c. Neurofibroma is the malignant tumor that most common

cause of unilateral exophthalmos among children.d. Optic nerve meningiomas are more common than

gliomas in children .e. None of the above.

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• 20.LASIK and PRK are both commonly used to treat which refractive range?

• A. -14 to +8D• B. -8 to +4D.• C. -6 to +2D.• D. -5 to +5D

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