Aspheric - Study guides, Class notes & Summaries
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Certified Paraoptometric Exam Study Guide with Complete Solutions
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Certified Paraoptometric Exam Study Guide with Complete Solutions 
Ophthalmoscopy - Correct Answers The Examination of the inside of the eye. 
 
Vertex distance - Correct Answers The distance from the back surface of the lens to the front of the eye. 
 
Fundus - Correct Answers The interior portion of the eyeball that may be seen on ophthalmoscopy. 
 
Turn the eye downward - Correct Answers What is the primary function of the inferior rectus muscle? 
 
Sub conjunctival hemorrhage - Correct Answe...
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NCLE Advanced Certification Exam Correct 100%
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The answer is D. 
 
The posterior optical zone will directly affect the lens to cornea relationship of a rigid gas permeable lens. If the posterior optical zone is steepened, it will increase the sagittal depth. If it is flattened, it will decrease the sagittal depth. Changing the power, which is accomplished by changing the anterior optical zone, will not affect the sagittal depth of the lens, nor will changing its edge design. - ANSWER 1. The sagittal depth of a rigid gas permeable contact len...
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NCLE Questions & Answers(Latest Update 2023/2024)
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What is the thickest layer of the cornea? - ANSWER stroma 
 
Which corneal layer controls the fluid content of the cornea? - ANSWER endothelium 
 
What is cornea edema? - ANSWER excess fluid in the stroma that can swell it and lead to loss of visual acuity 
 
What kind of contact lenses must be stabilized (not rotate) on the eye for good vision? - ANSWER toric contact lenses 
 
Concentric vs Aspheric Multifocal Lens Design - ANSWER aspheric multifocal lenses have a gradual change in power from d...
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ABO- OPTICAL TERMINOLOGY EXAM | QUESTIONS & 100% CORRECT ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ | ALREADY GRADED
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ABO- OPTICAL TERMINOLOGY EXAM | 
QUESTIONS & 100% CORRECT 
ANSWERS (VERIFIED) | LATEST 
UPDATE | GRADED A+ | ALREADY 
GRADED 
Abbe Value 
 ANSWER: A numerical expression of how prone a lens material is to causing 
chromatic aberration. The higher the Abbe value the lower the change it will cause 
aberration. 
Aberration 
 ANSWER: An unclear image of an object when viewed through a lens. 
ABO 
 ANSWER: American Board of Opticianry an agency that provides various levels 
of certification fo...
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Certified Paraoptometric Training Exam Questions Fully Solved.
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Ophthalmoscopy - Answer The Examination of the inside of the eye. 
 
Vertex distance - Answer The distance from the back surface of the lens to the front of the eye. 
 
Fundus - Answer The interior portion of the eyeball that may be seen on ophthalmoscopy. 
 
Turn the eye downward - Answer What is the primary function of the inferior rectus muscle? 
 
Sub conjunctival hemorrhage - Answer A broken blood vessel between the sclera and conjunctiva. 
 
What does a lensometer measure? -...
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NCLE Advanced Certification Exam Questions and Answers 2023
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1. The sagittal depth of a rigid gas permeable contact lens can be altered without 
changing the diameter by: 
A. Changing the power 
B. Changing the edge design 
C. Changing the radius of curvature of the anterior optical zone 
D. Changing the radius of curvature of the posterior optical zone 
- The answer is D. 
The posterior optical zone will directly affect the lens to cornea relationship of a 
rigid gas permeable lens. If the posterior optical zone is steepened, it will increase 
the sa...
-
NCLE Exam Questions & Answers 100% Correct
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What is the thickest layer of the cornea? - ANSWER-stroma 
 
Which corneal layer controls the fluid content of the cornea? - ANSWER-endothelium 
 
What is cornea edema? - ANSWER-excess fluid in the stroma that can swell it and lead to loss of visual acuity 
 
What kind of contact lenses must be stabilized (not rotate) on the eye for good vision? - ANSWER-toric contact lenses 
 
Concentric vs Aspheric Multifocal Lens Design - ANSWER-aspheric multifocal lenses have a gradual change in power from d...
-
NCLE Advanced Certification Exam Questions and Answers Already Passed
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NCLE Advanced Certification Exam Questions and 
Answers Already Passed 
The answer is D. 
The posterior optical zone will directly affect the lens to cornea relationship of a rigid gas 
permeable lens. If the posterior optical zone is steepened, it will increase the sagittal depth. If it 
is flattened, it will decrease the sagittal depth. Changing the power, which is accomplished by 
changing the anterior optical zone, will not affect the sagittal depth of the lens, nor will changing 
its edge d...
-
NCLE questions with correct answers
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annular bifocal contact - Answer A lens with distance portion ground into the center of the lens and the near portion ground into the periphery 
 
aphakic lenses - Answer lenses designed for post-cataract fitting 
 
apical zone of cornea - Answer the central portion of the cornea with a constant radius of curvature. Also called the corneal cap. 
 
artificial tears - Answer medications, many of them over the counter, to treat dry eyes 
 
aspheric lens - Answer A non-...
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OPT 260 TEST EXAM |GUARANTEED PAS 2024.2025 |ACCURATE ANSWERS
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All of the following statements regarding aspheric lens designs are true except: 
It is important to always use monocular interpupillary distances. 
 
 Aspheric lenses are flatter, thinner and provide a lesser field of view. 
 
Aspheric designs are recommended for powers greater than +/- 3.00 D 
 
There is an adaptation period when switching from conventional spherical lenses to an aspheric design. - ACCURATE ANSWERS Aspheric lenses are flatter, thinner and provide a lesser field of view. 
 
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