Page 1 of 39
ABO 2025/2026 PRACTICE EXAM CURRENTLY
TESTING QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED) /GUARANTEED PASS/ TOP-
RATED A+.
ABO
Ace your ABO certification with this targeted practice exam,
designed to master optical math, frame adjustments, and
ophthalmic standards. This resource delivers realistic practice
questions and detailed rationales that reinforce key concepts
for the national exam.
If the wearer complains of the bifocal line being somewhat
in his way when driving, the problem may be alleviated by
decreasing the distance between pads.
True or False ...... ANSWER ....... False
If the wearer complains that the glasses feel snug but still
slip down the nose, one likely cause is that:
A. The frame is too small
B. The bridge fit is tight
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C. Pressure is being applied by the temple shafts anterior to
the ear.
D. Pressure is being applied on the very tips of the temples.
...... ANSWER ....... Pressure is being applied by the
temple shafts anterior to the ear
If both nosepads press the nose or indent too much, what is
probably not a possible cause?
A. Pads too small for frame weight
B. Temple spread is not even
C. Pads too close together
D. Temple tension too great ...... ANSWER ....... Temple
spread is not even
To eliminate a gap between the lens and a metal eyewire,
the best alternative is to:
A. Place a strip of lens liner at a point exactly opposite the
gap
B. Place a strip of lens liner in the gap area
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C. Heat the lens in the frame and allow it to cool at room
temperature
D. None of the above methods are satisfactory
E. All of the above methods are satisfactory ...... ANSWER
....... Place a strip of lens liner at a point exactly opposite
the gap
The larger the frame difference --------- the lens shape
A. Rounder
B. More squared off
C. Narrower
D. Wider ...... ANSWER ....... Narrower
(Frame Difference=A-B)
Which is the most favorable alternative to a 50/20 frame for
measuring bifocal height when that particular size is not
available?
A. 52/18
B. 50/18
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C. 48/20
D. 50/22 ...... ANSWER ....... 48/20
(would want bridge to stay the same)
When the frame front is tested for four point tough, but only
touches on the two temporal sides, the frame --------
A. is skewed
B. has face form
C. is out of coplanar alignment
D. has X ing
E. none of the above ...... ANSWER ....... Has face form
Which of the following errors will not be detected by a four
point touch test?
A. X-ing
B. Excess face form
C. Skewing
ABO 2025/2026 PRACTICE EXAM CURRENTLY
TESTING QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED) /GUARANTEED PASS/ TOP-
RATED A+.
ABO
Ace your ABO certification with this targeted practice exam,
designed to master optical math, frame adjustments, and
ophthalmic standards. This resource delivers realistic practice
questions and detailed rationales that reinforce key concepts
for the national exam.
If the wearer complains of the bifocal line being somewhat
in his way when driving, the problem may be alleviated by
decreasing the distance between pads.
True or False ...... ANSWER ....... False
If the wearer complains that the glasses feel snug but still
slip down the nose, one likely cause is that:
A. The frame is too small
B. The bridge fit is tight
, Page 2 of 39
C. Pressure is being applied by the temple shafts anterior to
the ear.
D. Pressure is being applied on the very tips of the temples.
...... ANSWER ....... Pressure is being applied by the
temple shafts anterior to the ear
If both nosepads press the nose or indent too much, what is
probably not a possible cause?
A. Pads too small for frame weight
B. Temple spread is not even
C. Pads too close together
D. Temple tension too great ...... ANSWER ....... Temple
spread is not even
To eliminate a gap between the lens and a metal eyewire,
the best alternative is to:
A. Place a strip of lens liner at a point exactly opposite the
gap
B. Place a strip of lens liner in the gap area
, Page 3 of 39
C. Heat the lens in the frame and allow it to cool at room
temperature
D. None of the above methods are satisfactory
E. All of the above methods are satisfactory ...... ANSWER
....... Place a strip of lens liner at a point exactly opposite
the gap
The larger the frame difference --------- the lens shape
A. Rounder
B. More squared off
C. Narrower
D. Wider ...... ANSWER ....... Narrower
(Frame Difference=A-B)
Which is the most favorable alternative to a 50/20 frame for
measuring bifocal height when that particular size is not
available?
A. 52/18
B. 50/18
, Page 4 of 39
C. 48/20
D. 50/22 ...... ANSWER ....... 48/20
(would want bridge to stay the same)
When the frame front is tested for four point tough, but only
touches on the two temporal sides, the frame --------
A. is skewed
B. has face form
C. is out of coplanar alignment
D. has X ing
E. none of the above ...... ANSWER ....... Has face form
Which of the following errors will not be detected by a four
point touch test?
A. X-ing
B. Excess face form
C. Skewing
