Polarized lenses - Study guides, Class notes & Summaries
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ABO Practice Test(Questions and Answers)2022/2023
- Exam (elaborations) • 19 pages • 2022
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To mount a lens in a nylon suspension type frame, it would be necessary to _______ the lens. 
 
a) Drill 
b) Notch 
c) Groove 
d) V-Bevel 
c) Groove 
 
 
The optical center of a lens is: 
 
a) At the geometrical center 
b) One the 180 line 
c) At the point where the "a" and "b" measurement meet 
d) A lens location of zero deviation of the optical axis 
d) A lens location of zero deviation of the optical axis 
 
 
 
 
 
 
01:05 
01:09 
The progressive power lens has a progressive zone after w...
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ABO Advance Questions and Answers Graded A With Complete Solutions 100% Verified 2024
- Exam (elaborations) • 27 pages • 2024
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The amount of reflection of each surface of CR-39 lenses is approximately - 4% 
 
The absorption of light in lenses is classified by two variables. What are they? 
 
A. base curve and thickness 
B. index of refraction and thickness 
C. thickness and lens transmission 
D. tint and lens transmission - D. tint and lens transmission 
 
The denser the tint in a lens 
 
A. the greater the transmission of light through the lens 
B. the greater internal reflections in the lens 
C. the less transmission ...
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Optician License Exam 2023 with 100% correct answers
- Exam (elaborations) • 17 pages • 2023
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Nylon - correct answer Material that some frames are made out of. Very elastic, especially when placed in water. 
 
Carbon Filter - correct answer Materials used to make frames containing threads of Carbon. Frame will be sturdy, slim, and lightweight. Frames will not be bendable at all. Usually only used for frame fronts. 
 
Polyamide - correct answer Material used to make frames. nylon based, very sturdy, slender and lightweight. the material is just 72% of the heaviness of cellulose acetate...
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ABO Practice Test (Questions and Answers) 2024/2025
- Exam (elaborations) • 34 pages • 2024
- Available in package deal
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- $12.49
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ABO Practice Test (Questions and Answers) 2024/2025 
To mount a lens in a nylon suspension type frame, it would be necessary to _______ the lens. 
a) Drill 
b) Notch 
c) Groove 
d) V-Bevel - Answer ️️ -c) Groove 
The optical center of a lens is: 
a) At the geometrical center 
b) One the 180 line 
c) At the point where the "a" and "b" measurement meet 
d) A lens location of zero deviation of the optical axis - Answer ️️ -d) A lens location of zero 
deviation of the optical axis 
The p...
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ABO ADVANCED EXAM QUESTIONS AND ANSWERS 100% UPGRADED 2024
- Exam (elaborations) • 15 pages • 2024
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Available in package deal
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Base Curve - Curvature of the front of the lens 
 
How is Cyl ground on a minus cyl lens? - Single curve on the front. Cyl ground on the back 
 
How is cyl ground on a plus cyl lens? - Flattest curve on the front. Old way of doing it do to cosmetics 
 
What is Vogels formula used for? - Creating best form and n standard surfacing 
 
Vogel's Formula (+ lenses) - Spherical equivalent + 6.00 
 
Vogel's Formula (- lenses) - Spherical equivalent + 6.00 / 2 
 
Corrected Curve Theory rules: - #1 ocul...
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ABO PRACTICE TEST REVIEWED AND UPDATED QUESTIONS AND ANSWERS 2024
- Exam (elaborations) • 20 pages • 2023
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Available in package deal
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- $13.49
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ABO PRACTICE TEST REVIEWED AND 
UPDATED QUESTIONS AND ANSWERS 
2024 
To mount a lens in a nylon suspension type frame, it would be necessary to _______ 
the lens. 
a) Drill 
b) Notch 
c) Groove 
d) V-Bevel - CORRECT ANSWERS-c) Groove 
The optical center of a lens is: 
a) At the geometrical center 
b) One the 180 line 
c) At the point where the "a" and "b" measurement meet 
d) A lens location of zero deviation of the optical axis - CORRECT ANSWERS-d) A lens 
location of zero deviation of ...
-
ABO Practice Test (Questions and Answers) 2024/2025
- Exam (elaborations) • 34 pages • 2024
- Available in package deal
-
- $13.49
- + learn more
ABO Practice Test (Questions and Answers) 2024/2025 
To mount a lens in a nylon suspension type frame, it would be necessary to _______ the lens. 
a) Drill 
b) Notch 
c) Groove 
d) V-Bevel - Answer ️️ -c) Groove 
The optical center of a lens is: 
a) At the geometrical center 
b) One the 180 line 
c) At the point where the "a" and "b" measurement meet 
d) A lens location of zero deviation of the optical axis - Answer ️️ -d) A lens location of zero 
deviation of the optical axis 
The p...
-
ABO Practice Test (Questions and Answers) 2024/2025
- Exam (elaborations) • 34 pages • 2024
-
- $13.49
- + learn more
ABO Practice Test (Questions and Answers) 2024/2025 
To mount a lens in a nylon suspension type frame, it would be necessary to _______ the lens. 
a) Drill 
b) Notch 
c) Groove 
d) V-Bevel - Answer ️️ -c) Groove 
The optical center of a lens is: 
a) At the geometrical center 
b) One the 180 line 
c) At the point where the "a" and "b" measurement meet 
d) A lens location of zero deviation of the optical axis - Answer ️️ -d) A lens location of zero 
deviation of the optical axis 
The p...
-
ABO Practice Test (Questions and Answers) 2024/2025
- Exam (elaborations) • 34 pages • 2024
- Available in package deal
-
- $13.49
- + learn more
ABO Practice Test (Questions and Answers) 2024/2025 
To mount a lens in a nylon suspension type frame, it would be necessary to _______ the lens. 
a) Drill 
b) Notch 
c) Groove 
d) V-Bevel - Answer ️️ -c) Groove 
The optical center of a lens is: 
a) At the geometrical center 
b) One the 180 line 
c) At the point where the "a" and "b" measurement meet 
d) A lens location of zero deviation of the optical axis - Answer ️️ -d) A lens location of zero 
deviation of the optical axis 
The p...
-
Optician License Exam | 183 Questions and Answers(A+ Solution guide)
- Exam (elaborations) • 17 pages • 2023
- Available in package deal
-
- $7.49
- + learn more
Nylon - Material that some frames are made out of. Very elastic, especially when placed in water. 
Carbon Filter - Materials used to make frames containing threads of Carbon. Frame will be sturdy, 
slim, and lightweight. Frames will not be bendable at all. Usually only used for frame fronts. 
Polyamide - Material used to make frames. nylon based, very sturdy, slender and lightweight. the 
material is just 72% of the heaviness of cellulose acetate, so it is significantly lighter. 
Polarized Lense...
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