Vertometer Study guides, Class notes & Summaries
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Optician's ABO Study Guide 2023 Latest Version
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To widen the distance between the pads of a frame or mounting, bent the pad arms: - Outward/Angle the temples upward from the end pieces. 
 
A reverse slab-off is molded with base _____ prism in the near portion of the lens. - Down 
 
Multifocal height is usually determined by measuring from the: - Lower edge of the lens. 
 
If the pad arms are lengthened, this adjustment will: - Push the front out more. 
 
A semi-rimless mounting consists of: - A center piece with lens bars connecting the end p...
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ABO REAL EXAM QUESTIONS AND VERIFIED ANSWERS 2024-2025 LATEST UPDATES// GRADED A+ A lens reads +2.25 in the vertometer. If the ocular curve is -6.00, what is the anterior curve?
- Exam (elaborations) • 53 pages • 2024
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ABO REAL EXAM QUESTIONS AND VERIFIED ANSWERS LATEST UPDATES// GRADED A+ 
A lens reads +2.25 in the vertometer. If the ocular curve is -6.00, what is the anterior curve? 
ABO REAL EXAM QUESTIONS AND VERIFIED ANSWERS LATEST UPDATES// GRADED A+ 
A lens reads +2.25 in the vertometer. If the ocular curve is -6.00, what is the anterior curve? 
ABO REAL EXAM QUESTIONS AND VERIFIED ANSWERS LATEST UPDATES// GRADED A+ 
A lens reads +2.25 in the vertometer. If the ocular curve is -6.00, what is the an...
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ABO REAL EXAM QUESTIONS AND VERIFIED ANSWERS 2024-2025 LATEST UPDATES// GRADED A+ A lens reads +2.25 in the vertometer. If the ocular curve is -6.00, what is the anterior curve?
- Exam (elaborations) • 53 pages • 2024
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ABO REAL EXAM QUESTIONS AND VERIFIED ANSWERS LATEST UPDATES// GRADED A+ 
A lens reads +2.25 in the vertometer. If the ocular curve is -6.00, what is the anterior curve? 
ABO REAL EXAM QUESTIONS AND VERIFIED ANSWERS LATEST UPDATES// GRADED A+ 
A lens reads +2.25 in the vertometer. If the ocular curve is -6.00, what is the anterior curve? 
ABO REAL EXAM QUESTIONS AND VERIFIED ANSWERS LATEST UPDATES// GRADED A+ 
A lens reads +2.25 in the vertometer. If the ocular curve is -6.00, what is the an...
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American Board of Opticianry (ABO Practice Exams) Questions and Answers
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American Board of Opticianry (ABO Practice Exams) Questions and Answers 
 
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 (Ans: - Check the base curve 
 
Within the first few minutes of contact with a new customer you must: 
 
A. Find out if the customer has a new prescription 
B. Gene...
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Full Test Bank For ABO (American Board of Opticianry) Exams/Practice Test/ Questions and Answers /2024 Guarantee Pass Guide
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TEST BANK 
Full Test Bank For ABO (American Board of Opticianry) Exams/Practice Test/ Questions and Answers /2024 Guarantee Pass Guide 
ABO Practical Questions	2 
ABO Latest Test	10 
ABO EXAM PRE-TEST	14 
ABO Exam Questions and Answers	35 
ABO PRACTICE EXAM	41 
ABO Practice Exams Questions and Answers	43 
ABO REVIEW Questions Answered 100% Correct	65 
ABO Practice Test	69 
ABO Exam Prep Solved 10% Correct Questions and Answers	84 
ABO Study Guide Questions and Answers	91 
ABO Practical Exam	97 
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ABO Practical Exam Questions And Correct Answers, With Complete Verified Solution.
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ABO Practical Exam Questions And Correct Answers, With Complete Verified Solution. 
 
Cancelling effect- subtract prism amounts 
BU/BU 
BD/BD 
BI/BO 
Powers between 0.00 & +/- 3.00 
Read in 1/8 diopters 
.12 
.37 
.62 
.87 
Lensometer is also referred to as 
Lensmeter, focimeter, vertometer 
To focus eyepiece 
1) while turned off. Place white sheet of paper against lens stop. 
2) turn focus ring all the way counter clockwise,and then back clockwise until sharp. 
3) remove paper and turn lensomet...
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ABO PRACTICE EXAM PART ONE: the wavelength of the infrared waves
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the wavelength of the infrared waves in the 
electromagnetic spectrum are - √Answer :longer than 
visible red light waves 
Quiz :the Geneva Lens Measure is calibrated for a 
refractive index of - √Answer :1.530 
Quiz :A lens made from 2 convex surfaces - √Answer 
:has against motion 
Quiz :A lens reads +4.25D in the vertometer. If the 
ocular curve is -4.00D, what is the front base curve? - 
√Answer :+8.25D 
Quiz :Which of these front base curves would be 
suitable for a -300D meniscus l...
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ABO Practical Exam Questions and Answers 2024
- Exam (elaborations) • 4 pages • 2024
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ABO Practical Exam Questions and Answers 2024 
Cancelling effect- subtract prism amounts -Answer-BU/BU 
BD/BD 
BI/BO 
Powers between 0.00 & +/- 3.00 -Answer-Read in 1/8 diopters 
.12 
.37 
.62 
.87 
Lensometer is also referred to as -Answer-Lensmeter, focimeter, vertometer 
To focus eyepiece -Answer-1) while turned off. Place white sheet of paper against lens 
stop. 
2) turn focus ring all the way counter clockwise,and then back clockwise until sharp. 
3) remove paper and turn lensometer on 
4) ...
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ABO PRACTICE EXAM PART ONE QUESTIONS WITH 100% CORRECT ANSWERS. Graded A+
- Exam (elaborations) • 2 pages • 2024
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ABO PRACTICE EXAM PART ONE QUESTIONS WITH 100% CORRECT ANSWERS. 
the wavelength of the infrared waves in the electromagnetic spectrum are 
longer than visible red light waves 
the Geneva Lens Measure is calibrated for a refractive index of 
1.530 
A lens made from 2 convex surfaces 
has against motion 
A lens reads +4.25D in the vertometer. If the ocular curve is -4.00D, what is the front base curve? 
+8.25D 
Which of these front base curves would be suitable for a -300D meniscus lens? 
+4.50 
A...
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ABO Practical Exam 2023 with 100% correct answers
- Exam (elaborations) • 4 pages • 2023
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Cancelling effect- subtract prism amounts - correct answerBU/BU 
BD/BD 
BI/BO 
 
Powers between 0.00 & +/- 3.00 - correct answerRead in 1/8 diopters 
.12 
.37 
.62 
.87 
 
Lensometer is also referred to as - correct answerLensmeter, focimeter, vertometer 
 
To focus eyepiece - correct answer1) while turned off. Place white sheet of paper against lens stop. 
2) turn focus ring all the way counter clockwise,and then back clockwise until sharp. 
3) remove paper and turn lensometer on 
4) move pow...
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