ABO Optician Exam Practice Questions and
Correct Answers – Frame Adjustments, Bifocals,
Prism Correction
Description: Updated ABO practice exam material with verified answers.
Topics include bifocals, trifocals, prism correction, consumer protection, and
frame adjustments. A reliable study guide for ABO exam success.
How do you lower the front of the frame? - answer✔✔Move nose pads further
apart or increase pantoscopic tilt (2 degrees = 1mm) If the wearer complains that the
glasses feel snug but still slip down the nose, one likely cause is that? -
answer✔✔Pressure is being applied by the temple shafts anterior to the ear.
When the wearers PD is less than the frame PD what should you do? -
answer✔✔Positive face form The new bifocal wearer must: - answer✔✔Drop
the eyes to read a book When the frame front is tested for four point touch, but only
touches on the two temporal sides, the frame is? - answer✔✔Has face form What
error cannot be detected by the four point test? - answer✔✔Skewing The main
1
Page
Correct Answers – Frame Adjustments, Bifocals,
Prism Correction
Description: Updated ABO practice exam material with verified answers.
Topics include bifocals, trifocals, prism correction, consumer protection, and
frame adjustments. A reliable study guide for ABO exam success.
How do you lower the front of the frame? - answer✔✔Move nose pads further
apart or increase pantoscopic tilt (2 degrees = 1mm) If the wearer complains that the
glasses feel snug but still slip down the nose, one likely cause is that? -
answer✔✔Pressure is being applied by the temple shafts anterior to the ear.
When the wearers PD is less than the frame PD what should you do? -
answer✔✔Positive face form The new bifocal wearer must: - answer✔✔Drop
the eyes to read a book When the frame front is tested for four point touch, but only
touches on the two temporal sides, the frame is? - answer✔✔Has face form What
error cannot be detected by the four point test? - answer✔✔Skewing The main
1
Page
