Focimeter - Study guides, Class notes & Summaries

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) move power d...

ABO PRACTICAL TEST LATEST WITH CORRECT ANSWERS 2023/2024 Single Vision - CORRECT ANSWER-corrects for one distance Multifocal - CORRECT ANSWER-Corrects with two or more prescriptions (or 'powers') Bifocal - CORRECT ANSWER-lens having two focus strengths Trifocal - CORRECT ANSWER-pertaining to having three focus strengths Calculating Prismatic Effects - CORRECT ANSWER-obtained at the center of an optical lens by producing a difference in edge thickness, either by grinding the back surfa...

ABO PRACTICAL EXAM(VERRIFIED ) 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...

Another name for the lens meter is: - Answer Focimeter When looking through the eyepiece of the lens meter the 3 thinly spaces lines represent: - Answer Sphere power When looking through the eyepiece of the lens meter the 3 widely spaces lines represent: - Answer 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 - Answer Spheroclyinderic...

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 optical center of the ...

ABO Exam Practice Questions And Correct Answers, With Complete Verified Solution. 100% 2024 The part of the lensometer which is capable of measuring the amount of prism is the: A. reticle B. axis wheel C. spotting device D. power drum A. reticle Which of the following is a lensometer not capable of measuring? A. sphere power B. cylinder power C. base curve D. position of optical center C. base curve You have been asked to neutralize a lens. After placing it in the lensometer, ...

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) ...

ABO Practical Exam with complete solutions 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 lensomet...

ABO Practical Exam Questions and Answers (Verified Answers)ABO Practical Exam Questions and Answers (Verified Answers)ABO Practical Exam Questions and Answers (Verified Answers)ABO Practical Exam Questions and Answers (Verified Answers)ABO Practical Exam Questions and Answers (Verified Answers)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-Le...

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,a