The index of refraction Study guides, Class notes & Summaries
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Microbiology WCC Keith || Already Graded A+.
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ocular lens correct answers 10x eyepiece 
 
scanning (low) power objective correct answers x10 
 
scanning high power objective correct answers x40 
 
scanning oil correct answers x100 
 
total magnification correct answers ocular x objective 
 
refraction correct answers measure of dispersal of visual light as it passes through different material/ different density 
 
minimize refraction correct answers using oil, same index as glass 
 
working distance correct answers the distance between the ...
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ABO numbers, math, formulas
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ABO numbers, math, formulas 
 
Prentice's Rule - ANSWER-P = f x c 
P = amount of prism correction 
f = lens power (in diopters) 
c = decentration (the distance between the pupil centre and the lens's optical centre, in millimeters) 
 
Cornea IOR - ANSWER-1.37 
 
Tear Film, Vitreous IOR - ANSWER-1.33 
 
Crystalline lens IOR - ANSWER-1.42 
 
Optical Standard index of refraction - ANSWER-1.53 
 
Crown Glass index of refraction - ANSWER-1.523 
 
High index IOR - ANSWER-1.74 
 
CR-39 IOR - ANSWER-1...
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Edelmen's SPI Exam Review Test Answered 100% Correctly!
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Edelman SPI review questions & Answers 2023. 
______ is the distance covered by one cycle. 
a) pulse length 
b) wavelength 
c) cycle distance 
d) cycle duration 
 
______ is the time to complete one cycle 
a) pulse duration 
b) pulse period 
c) period 
d) duration period 
 
________ is a redirection of an ultrasound bean in many directions as a result of a rough boundary between two media: 
a) refraction 
b) Rayleigh Scattering 
c) scattering 
d) reflection 
 
_________ resolution is...
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Certified Paraoptometric Coder Exam Questions and Answers Latest Guide 2024/2025 (Already Scored 100%)
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Certified Paraoptometric Coder Exam Questions and Answers Latest Guide 2024 (Already Scored 100%) Is it acceptable for a staff person to correct a CPT or ICD-10 code on a 
route slip or claim without the consent of the doctor? 
Medical Decision Making, Examination, and History - Answer What are the Key 
Components of E and M Coding? 
51 - Answer What modifier is used if two non bundled surgical procedures are 
performed on the same eye at the same visit? 
24 - Answer What modifier should you use...
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ABO Advance Questions and Answers Graded A With Complete Solutions 100% Verified 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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CPOA questions with correct answers
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The raiot of the speed of light in air to the speed of light in another medium is called the ____. 
A. Index of reflection 
B. Angle of reflection 
C. Index of refraction 
D. Angle of refraction CORRECT ANSWER-C. Index of refraction 
 
The index of refraction 1.523 is for which of the following media? 
A. ophthalmic crown glass 
B. Polymethylmethacrylate PMMA 
C. Flint Glass 
D. water CORRECT ANSWER-A. ophthalmic crown glass 
 
Light waves produce vision in humans by stimulating the _____. 
A. c...
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URR mock exam 1 SPI Questions and Answers Graded 2024
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____ is defined as specific area or location where Doppler shift info is being obtained. 
A. spectral broadening 
B. nyquist limit 
C. sample volume 
D. spectral window -answer- C. sample volume 
 
Spatial resolution is: 
A. the minimum reflector separation required to produce separate echos. 
B. highest with linear phased arrays. 
C. the weakest reflected signal the transducer can receive 
D. another term for slice thickness resolution -answer- A. the minumum reflector separation required to pr...
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abo exam accurate Questions & Solutions(SCORED A+)
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vitreous humor - ANSWER the transparent, colorless mass of soft, gelatinous material which fills the eyeball behind the lens: 
 
1.42 - ANSWER the index of refraction of the crystalline lens is: 
 
1.37 - ANSWER the cornea has an index of refraction of: 
 
6 - ANSWER the extra-ocular muscles are inserted into the sclera and serve to rotate the eye in all possible directions. There are _______________ of these muscles in each eye. 
 
sclera and cornea - ANSWER the fibrous tunic is comprised of th...
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ABO exam Exam Questions And Correct Answers, With Complete Verified Solution. 100% Correct.
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ABO exam Exam Questions And Correct Answers, With Complete Verified Solution. 100% Correct. 
 
vitreous humor 
the transparent, colorless mass of soft, gelatinous material which fills the eyeball behind the lens: 
1.42 
the index of refraction of the crystalline lens is: 
1.37 
the cornea has an index of refraction of: 
6 
the extra-ocular muscles are inserted into the sclera and serve to rotate the eye in all possible directions. There are _______________ of these muscles in each eye. 
sclera a...
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ABO ADVANCED EXAM QUESTIONS AND ANSWERS 100% UPGRADED 2024
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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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