• Wrong document? Swap it for free
  • Written by students who passed
  • Immediately available after payment
  • Read online or as PDF
Sell
Where do you study
Your language
Document preview thumbnail
Preview 4 out of 523 pages
Exam (elaborations)

ABO Certification Exam Preparation | American Board of Opticianry Study Guide

Document preview thumbnail
Preview 4 out of 523 pages

Prepare for the American Board of Opticianry (ABO) certification examination with a structured study resource designed to support focused review and exam preparation. This material can help learners reinforce essential opticianry concepts, review important terminology, and develop stronger understanding of topics relevant to the ABO certification process. Use this resource for organized study sessions, practice, and self-assessment. Reviewing key concepts and applying them to practical opticianry situations can help identify areas that need additional attention while strengthening overall exam readiness. For the most current examination requirements and content information, use official ABO resources together with current textbooks, course materials, and other authorized preparation resources.

Content preview

ABO.pdfhttps://online2pdf.com/delete-header-and-footer-in-pdf
ABO.pdfhttps://online2pdf.com/delete-header-and-footer-in-pdf
ABO.pdfhttps://online2pdf.com/delete-header-and-footer-in-pdf




ABO EXAM PRE-TEST
150 mm - CORRECT ANSWER-When ordering a six inch temple, its
corresponding millimeter value is which of the following?
A. 135 mm
B. 140 mm
C. 145 mm
D. 150 mm

500 mm - CORRECT ANSWER-What is the focal length of a 2 diopter lens?
A. 500 cm
B. 39.37 inches
C. 500 mm
D. 2 meters

Nanometers - CORRECT ANSWER-Wavelengths are measured in
A. Meters
B. Decimeters
C. Centimeters
D. Nanometers

UVC - CORRECT ANSWER-Which of the following has the shortest and
therefore most harmful wavelength?
A. UVC
B. UVB
C. UVA
D. INFRARED

Compound one another - CORRECT ANSWER-When two light wavesw are in "in
phase" they will
A. Destroy on another
B. Reduce each front by half
C. Compound one another
D. None of the above




ABO.(https://online2pdf.com/delete-header-and-footer-in-pdfext)
ABO.pdfhttps://online2pdf.com/delete-header-and-footer-in-pdf
ABO.pdfhttps://online2pdf.com/delete-header-and-footer-in-pdf

,ABO.pdfhttps://online2pdf.com/delete-header-and-footer-in-pdf
ABO.pdfhttps://online2pdf.com/delete-header-and-footer-in-pdf
ABO.pdfhttps://online2pdf.com/delete-header-and-footer-in-pdf




Plus or minus 3 degrees - CORRECT ANSWER-The cylinder axis tolerance for a
1.00D cylinder according to ANSI Z80.1 is
A. Plus or minus 7 degrees
B. Plus or minus 5 degrees
C. Plus or minus 3 degrees
D. Plus or minus 2 degrees

Thicker temporally - CORRECT ANSWER-A plus lens decentered "out" will result
in a finished lens which is
A. Balanced
B. Thicker temporally
C. Thicker nasally
D. Uniform in edge thickness

Thicker nasally - CORRECT ANSWER-A minus lens decentered "out" will result
in a finished lens which is
A. Balanced
B. Thicker temporally
C. Thicker nasally
D. Uniform in edge thickness

8% - CORRECT ANSWER-An uncoated normal plastic lens will reflect
approximately ______% of light.
A. 2%
B. 4%
C. 8%
D. 12%

Biconcave - CORRECT ANSWER-A lens having a minus curve on both front and
back is called
A. Toric
B. Meniscus
C. Biconvex
D. Biconcave

50% - CORRECT ANSWER-Give the RX +1.00 +1.00 x 45, how much of the
+1.00 cylinder is in the effect at axis 90?




ABO.(https://online2pdf.com/delete-header-and-footer-in-pdfext)
ABO.pdfhttps://online2pdf.com/delete-header-and-footer-in-pdf
ABO.pdfhttps://online2pdf.com/delete-header-and-footer-in-pdf

,ABO.pdfhttps://online2pdf.com/delete-header-and-footer-in-pdf
ABO.pdfhttps://online2pdf.com/delete-header-and-footer-in-pdf
ABO.pdfhttps://online2pdf.com/delete-header-and-footer-in-pdf




A. 100%
B. 70%
C. 50%
D. 0

97% if its power - CORRECT ANSWER-80 degrees from the specified axis, a
cylinder will show
A. 5% of its power
B. 10% of its power
C. 50% of its power
D. 97% of its power

Hyperope - CORRECT ANSWER-The type of patient often bothered by large
magnified eye look is a
A. Myope
B. Persbyope
C. Hyperope
D. Emmetrope

Size - CORRECT ANSWER-A Box O graph is used to measure lenses for
A. Axis
B. Power
C. Thickness
D. Size

Double D - CORRECT ANSWER-A presbyopic electrician that works on
overhead wiring would benefit most from
A. Executive bifocal
B. Near only readers
C. Double D
D. Round Segment

Round segment rotated to the temporal side of the lens - CORRECT ANSWER-A
presbyopic golfer, when addressing the ball, is troubled by the placement of this
normal bifocal. Which of the following would pose the best solution as a
recreational golf glasses?
A. Executive bifocal fit 1mm lower




ABO.(https://online2pdf.com/delete-header-and-footer-in-pdfext)
ABO.pdfhttps://online2pdf.com/delete-header-and-footer-in-pdf
ABO.pdfhttps://online2pdf.com/delete-header-and-footer-in-pdf

, ABO.pdfhttps://online2pdf.com/delete-header-and-footer-in-pdf
ABO.pdfhttps://online2pdf.com/delete-header-and-footer-in-pdf
ABO.pdfhttps://online2pdf.com/delete-header-and-footer-in-pdf




than standard
B. Double D
C. Quadrifocal
D. Round segment rotated to the temporal side of the lens

Internal Rotator - CORRECT ANSWER-Which of the following is NOT one of the
6 muscles responsible for the movement of the eye?
A. Superior Rectus
B. Inferior Rectus
C. Internal Rotator
D. Inferior Oblique

1.523 - CORRECT ANSWER-The index of refraction of spectacle crown glass is
A. 1.49
B. 1.523
C. 1.53
D. 1.59

Straight Top - CORRECT ANSWER-Whch of the following glass lenses is a
fused bifocal?
A. Executive
B. Progressive
C. Straight Top
D. Ultex

1 diapter base out/each eye - CORRECT ANSWER-The P.D. written on the order
is mistakenly noted as 70mm, when the actual measurement should be 66mm.
What unwanted prism would be found if the distance prescription is O.U. +5.00
shpere.
A. 1 diapter base out/each eye
B. 1 diapter base in/each eye
C. 2 diapters out/each eye
D. 2 diapters in/each eye

Not possible - CORRECT ANSWER-If the RX is +2.00 -4.00 x45, it would be
necessary to decenter the lens ______ to create 1 diapter of base out prism.
A. 2mm




ABO.(https://online2pdf.com/delete-header-and-footer-in-pdfext)
ABO.pdfhttps://online2pdf.com/delete-header-and-footer-in-pdf
ABO.pdfhttps://online2pdf.com/delete-header-and-footer-in-pdf

Document information

Uploaded on
September 19, 2026
Number of pages
523
Written in
2026/2027
Type
Exam (elaborations)
Contains
Questions & answers
$15.99

Wrong document? Swap it for free Within 14 days of purchase and before downloading, you can choose a different document. You can simply spend the amount again.
Written by students who passed
Immediately available after payment
Read online or as PDF

Seller avatar
Reputation scores are based on the amount of documents a seller has sold for a fee and the reviews they have received for those documents. There are three levels: Bronze, Silver and Gold. The better the reputation, the more your can rely on the quality of the sellers work.
apeavision
4.2
(52)
Sold
12452
Followers
9
Items
864
Last sold
20 hours ago



Why students choose Stuvia

Created by fellow students, verified by reviews

Quality you can trust: written by students who passed their tests and reviewed by others who've used these notes.

Didn't get what you expected? Choose another document

No worries! You can instantly pick a different document that better fits what you're looking for.

Pay as you like, start learning right away

No subscription, no commitments. Pay the way you're used to via credit card and download your PDF document instantly.

Student with book image

“Bought, downloaded, and aced it. It really can be that simple.”

Alisha Student

Working on your references?

Create accurate citations in APA, MLA and Harvard with our free citation generator.

Working on your references?

Frequently asked questions