Focimeter Study guides, Class notes & Summaries
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ABO Practical Exam Questions And Correct Answers, With Complete Verified Solution. Updated 2024
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ABO Practical Exam Questions And Correct Answers, With Complete Verified Solution. Updated 2024 
 
Single Vision 
corrects for one distance 
Multifocal 
Corrects with two or more prescriptions (or 'powers') 
Bifocal 
lens having two focus strengths 
Trifocal 
pertaining to having three focus strengths 
Calculating Prismatic Effects 
obtained at the center of an optical lens by producing a difference in edge thickness, either by grinding the back surface at an angle to the front surface during ...
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ABO Practical Exam 2023 with verified solutions
- Exam (elaborations) • 4 pages • 2023
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Cancelling effect- subtract prism amounts correct answersBU/BU 
BD/BD 
BI/BO 
 
Powers between 0.00 & +/- 3.00 correct answersRead in 1/8 diopters 
.12 
.37 
.62 
.87 
 
Lensometer is also referred to as correct answersLensmeter, focimeter, vertometer 
 
To focus eyepiece correct answers1) 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 power d...
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ABO PRACTICAL EXAM|UPDATED&VERIFIED|GUARANTEED SUCCESS
- Exam (elaborations) • 5 pages • 2023
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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 lensometer on 
4) move power drum to high plus, then turn away from you unti...
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ABO Practical Exam with 100% Correct Answers 2023
- Exam (elaborations) • 3 pages • 2023
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Cancelling effect- subtract prism amounts - Correct Answer-BU/BU 
BD/BD 
BI/BO 
Powers between 0.00 & +/- 3.00 - Correct Answer-Read in 1/8 diopters 
.12 
.37 
.62 
.87 
Lensometer is also referred to as - Correct Answer-Lensmeter, focimeter, vertometer 
To focus eyepiece - Correct 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) move power ...
-
ABO PRACTICAL|UPDATED&VERIFIED|GUARANTEED SUCCESS
- Exam (elaborations) • 9 pages • 2023
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- $15.99
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Single Vision 
corrects for one distance 
 
 
 
Multifocal 
Corrects with two or more prescriptions (or 'powers') 
 
 
 
Bifocal 
lens having two focus strengths 
 
 
 
Trifocal 
pertaining to having three focus strengths 
 
 
 
Calculating Prismatic Effects 
obtained at the center of an optical lens by producing a difference in edge thickness, either by grinding the back surface at an angle to the front surface during lens surfacing or, if the lens has sufficient power, de-centering the optic...
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ABO Practical Exam with 100% correct answers
- Exam (elaborations) • 4 pages • 2023
-
Available in package deal
-
- $14.49
- + learn more
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 lensometer on 
4) move power drum to high plus, then turn away from you unti...
-
ABO Practical Latest Version Already Passed
- Exam (elaborations) • 14 pages • 2023
- Available in package deal
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ABO Practical Latest Version Already Passed Single Vision corrects for one distance 
Multifocal Corrects with two or more prescriptions (or 'powers') 
Bifocal lens having two focus strengths 
Trifocal pertaining to having three focus strengths 
Calculating Prismatic Effects obtained at the center of an optical lens by producing a difference in edge thickness, either by grinding the back surface at an angle to the front surface during lens surfacing or, if the lens has sufficient power, de-cent...
-
ABO Practical with correct answers
- Exam (elaborations) • 9 pages • 2023
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Available in package deal
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- $14.49
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Single Vision 
corrects for one distance 
 
 
 
Multifocal 
Corrects with two or more prescriptions (or 'powers') 
 
 
 
Bifocal 
lens having two focus strengths 
 
 
 
Trifocal 
pertaining to having three focus strengths 
 
 
 
Calculating Prismatic Effects 
obtained at the center of an optical lens by producing a difference in edge thickness, either by grinding the back surface at an angle to the front surface during lens surfacing or, if the lens has sufficient power, de-centering the optic...
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ABO Practical broken down based on the ABO-NCLE practical Exam Candidate HandbookPractical Test Specifications sheet Questions and Answers
- Exam (elaborations) • 7 pages • 2023
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Single Vision - corrects for one distance 
 
Multifocal - Corrects with two or more prescriptions (or 'powers') 
 
Bifocal - lens having two focus strengths 
 
Trifocal - pertaining to having three focus strengths 
 
Calculating Prismatic Effects - obtained at the center of an optical lens by producing a difference in edge thickness, either by grinding the back surface at an angle to the front surface during lens surfacing or, if the lens has sufficient power, de-centering the o...
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ABO Lensometer 13 Questions with Correct Solutions Rated A+
- Exam (elaborations) • 2 pages • 2023
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Another name for the lens meter is: - Focimeter 
 
When looking through the eyepiece of the lens meter the 3 thinly spaces lines represent: - Sphere power 
 
When looking through the eyepiece of the lens meter the 3 widely spaces lines represent: - Cylinder Power 
 
When looking through the eyepiece of the lens meter, when the 3 closely spaced lines and 3 widely spaced lines do not come into focus at the same time the lens is - Spheroclyinderical 
 
When looking through the eyepiece ...
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