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Module questions.

PLEASE NOTE There is only one correct answer. All CET is now FREE. Enter online. Please complete online by midnight on May 6 2011--You will be unable to submit exams after this date--answers to the module will be published on CET points for these exams will be uploaded to Vantage on May 16 2011.

Course code: C-15795 O/D

1. Which of the following is NOT a clinical risk factor for choroidal melanoma?

a) Orange pigment

b) Overlying subretinal fluid

c) Proximity to the optic disc margin

d) Elevation greater than 1mm

2. Which of the following should NOT be used to treat a juxtapapillary malignant melanoma of 6mm size?

a) Enucleation

b) Proton beam radiotherapy

c) Plaque brachytherapy

d) Transpupillary thermotherapy

3. Choroidal melanomas usually metastasize to the following organs EXCEPT:

a) Liver

b) Kidney

c) Bone

d) Lung

4. Class II gene expression is associated with the following EXCEPT:

a) Monosomy 3

b) Disomy 3

c) Gain of chromosome 8p

d) Gain of chromosome 6p

5. According to the COMS classification, a medium sized choroidal melanoma is:

a) 3-5 mm in diameter and 8-10mm in thickness

b) 3-5 mm in thickness and 10-15mm in diameter

c) 3 mm in thickness and 8mm in diameter

d) 6-7 mm in thickness and 10-15mm in diameter

6. Which choroidal naevi should be referred to the Ocular Oncology Service?

a) Flat naevi

b) Naevi with surface drusen

c) Elevated naevi with subretinal fluid d. None of the above

Course code: C-15977 O/D

1. Which of the following symptoms is LEAST suggestive of posterior vitreous detachment (PVD)?

a) Photopsia

b) Intermittent blurred vision

c) Nyctalopia

d) Floaters

2. Which one of the following statements is FALSE?

a) A Weiss ring is pathognomonic of Birdshot chorioretinopathy (BCR)

b) BCR mostly presents with symptoms of blurred vision and floaters

c) Nyctalopia is thought to more common than oscillopsia in BCR

d) Presenting symptoms in BCR can vary quite profoundly

3. Which one of the following groups of clinical signs is MOST suggestive of BCR?

a) Anterior chamber cells and vitreous snowbank

b) Retinal phlebitis in the presence of anterior chamber flare

c) Vitritis with multiple hypopigmented chorioretinal lesions

d) Vitreous haze in the presence of macular oedema

4. Which one of the following statements about Birdshot spots is FALSE?

a) They can present years following the first symptoms

b) They are mostly found near the optic disc

c) They may reveal hyperfluorescence in later phases of fluorescein angiography

d) They represent areas of hyperpigmentation

5. Which of the following is MOST suspicious of a BCR diagnosis?

a) Complaints of floaters and flashing lights

b) Complaints of blurred vision and nyctalopia with a normal VA

c) Complaints of floaters in a white, painful eye

d) Reduced VA, floaters and severe anterior segment inflammation

6. Which one of the following statements about BCR is TRUE?

a) Clinical findings are always bilateral and symmetrical

b) Anterior vitreous cells can be found in PVD but not in BCR

c) Visual impairment can be severe but completely reversible with immunosuppressive therapy

d) Disturbed contrast sensitivity and colour vision should prompt referral to ophthalmology
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Publication:Optometry Today
Date:Apr 8, 2011
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