Tricurve lens - Study guides, Class notes & Summaries
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NCLE Comprehensive Exam Questions And 100% Accurate Answers.
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optic zone - Answer the central portion of a contact lens which contains the refractive power and generally corresponds to the central corneal cap 
 
posterior apecal radius - Answer this term is generally used in reference to spin-cast soft lenses. the curvature of the posterior surface of the lens changes with the refractive power. the radius of curvature is measured at the apex of the posterior surface. 
 
steeper base curve - Answer occurs when the posterior radius of curvature is d...
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NCLE Exam Prep Questions and Answers Latest Update (2024/2025) 100% Pass
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NCLE Exam Prep Questions and Answers 
Latest Update (2024/2025) 100% Pass 
optic zone - Answer ️️ -the central portion of a contact lens which contains the refractive power 
and generally corresponds to the central corneal cap 
posterior apecal radius - Answer ️️ -this term is generally used in reference to spin-cast soft 
lenses. the curvature of the posterior surface of the lens changes with the refractive power. the 
radius of curvature is measured at the apex of the posterior surface...
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NCLE exam prep| Questions| Correct Answers| Verified
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optic zone - ANSWER the central portion of a contact lens which contains the refractive power and generally corresponds to the central corneal cap 
 
posterior apecal radius - ANSWER this term is generally used in reference to spin-cast soft lenses. the curvature of the posterior surface of the lens changes with the refractive power. the radius of curvature is measured at the apex of the posterior surface. 
 
steeper base curve - ANSWER occurs when the posterior radius of curvature is decreased ...
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NCLE Exam Latest Update 2023 Already Graded A+
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annular bifocal contact - A lens with distance portion ground into the center of the 
lens and the near portion ground into the periphery 
aphakic lenses - lenses designed for post-cataract fitting 
apical zone of cornea - the central portion of the cornea with a constant radius of 
curvature. Also called the corneal cap. 
artificial tears - medications, many of them over the counter, to treat dry eyes 
aspheric lens - A non-spherical lens, in which the radii of curvature increase 
towards th...
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NCLE Pre-Test 2024.
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NCLE Pre-Test 2024. 
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-spherical...
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NCLE Advanced Certification Exam Questions and answers, VERIFIED/[LATEST EXAM UPDATES]
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NCLE Advanced Certification Exam 
Questions and answers, VERIFIED/ 
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 des...
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NCLE Advanced Certification Exam Questions and answers, rated A+[LATEST EXAM UPDATES]
- Exam (elaborations) • 245 pages • 2024
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NCLE Advanced Certification Exam 
Questions and answers, rated A+ 
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 desi...
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NCLE Advanced Certification Exam 2023
- Exam (elaborations) • 238 pages • 2023
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NCLE Advanced Certification Exam 2023 
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. - CORRECT ️️ 1. 
The s...
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NCLE Exam Prep 2023-2024 with Complete Solutions!
- Exam (elaborations) • 40 pages • 2024
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optic zone - ANSWER-the central portion of a contact lens which contains the refractive power and generally corresponds to the central corneal cap 
 
posterior apecal radius - ANSWER-this term is generally used in reference to spin-cast soft lenses. the curvature of the posterior surface of the lens changes with the refractive power. the radius of curvature is measured at the apex of the posterior surface. 
 
steeper base curve - ANSWER-occurs when the posterior radius of curvature is decreased ...
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NCLE Exam Prep 2023-2024 with Complete Solutions!!
- Exam (elaborations) • 40 pages • 2024
- Available in package deal
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- $10.99
- + learn more
posterior apecal radius - ANSWER-this term is generally used in reference to spin-cast soft lenses. the curvature of the posterior surface of the lens changes with the refractive power. the radius of curvature is measured at the apex of the posterior surface. 
 
steeper base curve - ANSWER-occurs when the posterior radius of curvature is decreased (i.e. 8.4 to 8.1 mm) 
 
flatter base curve - ANSWER-occurs when the posterior radius of curvature is increased (i.e.8.1 to 8.4 mm) 
 
bicurve lens - A...
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