ABO practice exams Questions With Complete Solutions
A 5 years old walks to your optical dispensary. You notice that
when he wants to look to the frames his right eye turns in. What
is the problem?
A. He has exophoria
B. He has esophoria
C. He has exotropia
D. He has esotropia Correct Answer He has esophoria
A customer complains that his old glasses have better visual
acuity than the new glasses (same RX). What should the
optician do?
A. Return the customer to the refractionist
B. Remake the lenses
C. Check the base curve
D. Put the old lenses in a new frame Correct Answer Check the
base curve
A frame fits perfectly on your patient. The temples, bridge, and
pads are fine, but the frame sits high. You should select a frame
with a bridge that is:
A. Wider
B. Narrower
C. Higher
D. Lower Correct Answer Wider
,A frame material which is excellent for people with an active
lifestyle because of its flexibility and impact resistance;
A. Cellulose acetate
B. Titanium
C. Nylon Correct Answer Nylon
A lens which reads +3.00 -2.00 x 90 is decentered 6mm too
much. How much prismatic effect will wearer experience?
A. 1.8^
B. 0.6^
C. 3.0^
D. 1.2^ Correct Answer 0.6^
A Number 3 tint absorbs
A. 80% of the light entering the lens
B. 50% of the light entering the lens
C. 60% of the light entering the lens
D. 33.3% of the light entering the lens Correct Answer 80% of
the light entering the lens
A patient brings the following Rx to you. What would you do?
Rx: OD -2.00 -1.00 x 180 OS -1.00 +1.00 x 180
A. After transposing the OS, you order the lenses
B. After transposing the OD, you order the lenses
C. You order the lenses the way they are.
D. You will call the refractionist Correct Answer You will call
the refractionist
, A patient comes back to the optician complaining of pain behind
the ears, possible cause are:
A. Temple tension too great
B. Uneven pressure
C. Temple endpieces angled in too much
D. All of the above Correct Answer All of the above
A patient's best point of focus is 10". What lens would he need
to see 20/20?
A. -10.00D
B. +4.00D
C. -2.00D
D. -4.00D Correct Answer -4.00D
D=1/0.254m=3.94---4.00D
A patient's distance Rx is: OU -3.50 -1.50 x 180 and the reading
Rx is: OU -1.25 -1.50 x 180. He has problem seeing small prints
and asks for a stronger reading glasses. Also he wants the new
pair to be a bifocal. What ADD would you order for him?
A. -2.25D
B. -2.75D
C. +2.75D
D. +2.25D Correct Answer +2.75D
A patient's PD is 68/64. How much is the segment inset?
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