COMT Preview

Question 1

Measurements using static threshold perimetry with the Goldmann perimeter are made
A. every 1 to 2 degrees along a single meridian
B. every 3 to 5 degrees along a single meridian
C. every 5 to 10 degrees along a single meridian
D. every 10 to 12 degrees along the horizontal meridian only

Visual Field Testing 6%

Answer 1

B. every 3 to 5 degrees along a single meridian

Question 2

What type of defect is most commonly seen when optic nerve damage is due to toxicity?
A. Nasal step
B. Paracentral/centrocecal scotoma
C. “Pie in the sky”
D. “Pie on the floor”

Visual Field Testing 6%

Answer 2

B. Paracentral/centrocecal scotoma

Question 3

The normal field of vision is steeper
A. on the nasal side
B. on the temporal side
C. the farther away you get from fixation
D. if the patient’s vision is 20/40 or better

Visual Field Testing 6%

Answer 3

A. on the nasal side

Question 4

Which of the following muscles does not originate at the annulus of Zinn?
A. Superior oblique
B. Inferior rectus
C. Inferior oblique
D. Lateral rectus

Ocular Motility Testing 12%

Answer 4

C. Inferior oblique

It attaches to the nasal wall

Question 5

Which of the following EOMs insert behind the equator?
A. SR and IR
B. SR and LR
C. LR and MR
D. SO and IO

Ocular Motility Testing 12%

Answer 5

D. SO and IO

Rectus muscles are infront of the equator, while the obliques are behind

Question 6

You are evaluating ductinos of the right eye and direct the patient to look to the left. To do this, the MR must contract and the LR must relax. The law that applies to this occurance is what?
A. Herring’s Law
B. Sherrington’s Law
C. Panum’s Law
D. Snell’s Law

Ocular Motility Testing 12%

Answer 6

B. Sherrington’s Law

Sherrington = Same eye muslces

Herring = yolk muslces in each eye

Question 7

The retinal blood vessles of diabetics sometimes develop bulges known as
A. emboli
B. artheromas
C. microaneurysms
D. exudates

General Medical Knowledge 4%

Answer 7

C. microaneurysms

Question 8

The main cause of unilateral or bilateral exophthalmus in adults is
A. pseudotumor
B. neuroblastoma
C. Graves’ disease
D. orbital cellulitis

General Medical Knowledge 4%

Answer 8

C. Graves’ disease

Question 9

The connective tissue disease marked by elongation of the longbones and lens dislocation is
A. rheumatoid arthritis
B. systemic lupus erythematosus
C. sarcoidosis
D. Marfan’s syndrome

General Medical Knowledge 4%

Answer 9

D. Marfan’s syndrome

Question 10

The term achromatopsia refers to
A. the absence of any color pigment
B. a red-green color defect
C. those who fail the Ishihara plates
D. total colorblindness

Supplemental Testing 6%

Answer 10

A. the absence of any color pigment