AOC Evaluation & Continuing Education 3

Question 1

The Titmus fly stereopsis test measures stereoacuity at what testing distance?

Accepted Answer

40 cm

Answer

The Titmus fly test is administered at 40 cm (approximately 16 inches) using polarized vectograph targets.

Question 2

In the evaluation of nystagmus, the null point refers to:

Accepted Answer

The gaze position where nystagmus intensity is minimized

Answer

The null point is the gaze position where nystagmus amplitude and frequency are least, often associated with an anomalous head posture.

Question 3

Which assessment tool is used to evaluate a patient's ability to perceive simultaneous perception, fusion, and stereopsis on three separate grades?

Accepted Answer

Synoptophore (major amblyoscope)

Answer

The synoptophore tests all three grades of binocular vision—simultaneous perception, fusion with amplitudes, and stereopsis—using separate slides.

Question 4

An orthoptist identifies a patient with V-pattern esotropia. Which finding would most support this diagnosis?

Accepted Answer

Greater esotropia in upgaze than downgaze

Answer

V-pattern esotropia is defined by a larger esotropia in upgaze and smaller or no deviation in downgaze.

Question 5

According to AOC standards, what is the minimum passing score typically required on the AOC certification examination?

Accepted Answer

70%

Answer

Candidates must achieve a minimum passing score of 70% on the AOC written examination to obtain certification.

(AOC) American Orthoptic Council Practice Test