Aspheric - Study guides, Class notes & Summaries
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NCLE Practice Test Practical Questions and Answers
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Steep Fluorescein Pattern - Bright green pooling center, very faint green pooling 
on diameter of lens 
Flat Fluorescein Pattern - Bright green pooling on diameter of lens, very faint 
green in center 
Against-the-rule Astigmatism Pattern - Bright green pooling horizontally, faint 
green pooling vertically 
With-the-rule Astigmatism Pattern - Bright green pooling vertically, faint green 
pooling horizontally 
Prism Ballast - Common technique to stabilize lens from rotating. Added thickness ...
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NCLE Practice Test Practical Questions and Answers with Certified Solutions
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NCLE Practice Test Practical Questions and Answers with Certified Solutions Steep Fluorescein Pattern Bright green pooling center, very faint green pooling on diameter of lens 
Flat Fluorescein Pattern Bright green pooling on diameter of lens, very faint green in center 
Against-the-rule Astigmatism Pattern Bright green pooling horizontally, faint green pooling vertically 
With-the-rule Astigmatism Pattern Bright green pooling vertically, faint green pooling horizontally 
Prism Ballast Common te...
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NCLE Practical Questions and Answers Verified A+
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NCLE Practical Questions and Answers Verified A+ 
 
Steep Fluorescein Pattern - Bright green pooling center, very faint green pooling on diameter of 
lens	 
 
Flat Fluorescein Pattern - Bright green pooling on diameter of lens, very faint green in center 
 
Against-the-rule Astigmatism Pattern - Bright green pooling horizontally, faint green pooling 
vertically	 
 
With-the-rule Astigmatism Pattern - Bright green pooling vertically, faint green pooling 
horizontally	 
 
Pri...
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Optician's ABO Study Guide 2023 Latest Version
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To widen the distance between the pads of a frame or mounting, bent the pad arms: - Outward/Angle the temples upward from the end pieces. 
 
A reverse slab-off is molded with base _____ prism in the near portion of the lens. - Down 
 
Multifocal height is usually determined by measuring from the: - Lower edge of the lens. 
 
If the pad arms are lengthened, this adjustment will: - Push the front out more. 
 
A semi-rimless mounting consists of: - A center piece with lens bars connecting the end p...
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NCLE Study Questions with Correct Answers
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NCLE Study Questions with Correct Answers 
 
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 ...
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ABO Practice Test(Questions and Answers)2022/2023
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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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NCLE Study Guide Exam Questions And All Actual Answers.
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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 ...
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glossary NCLE exam Questions & Answers Already Passed!!
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Accommodation - The ability of the crystalline lens to adjust power to provide retinal focus of 
images of objects closer than optical infinity 
annular bifocal contact - A lens with distance portion ground into the center of the lens and the 
near portion ground into the periphery 
Anterior Bevel/CN Beve - Angulation applied to the anterior surface of a lens to reduce edge 
Thickness 
Anterior Optical Zone (AOZ) - Diameter of the anterior power curve 
Aphakia - Absence of the crystalline lens. ...
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NCLE Test (Questions + Answers) Verified 100% Correct!!.
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Given the following information: 
K's 45.00 @ 180/42.00 @ 90 
Rx -2.00 -4.25 x 90 
Which of the following RGP lens designs would best correct this wearers vision? 
a. 45.00 -2.00 
b. 42.00 -2.00 -4.25 x 90 prism ballasted 
c. 42.00 -2.00 
d. 42.00/45.00 -2.00 - Answer-d. 42.00/45.00 -2.00 
A _________ lens is a translating bifocal: 
a. concentric 
b. aspheric 
c. deffractive 
d. segmented - Answer-d. segmented 
A ________auxiliary trial lens will extend the keratometer to 61.00 D. 
a. -1.25 
b....
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Certified Paraoptometric Questions and Answers 100% Solved
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Certified Paraoptometric Questions and 
Answers 100% Solved 
Ophthalmoscopy The Examination of the inside of the eye. 
Vertex distance The distance from the back surface of the lens to the front of the eye. 
Fundus The interior portion of the eyeball that may be seen on ophthalmoscopy. 
Turn the eye downward What is the primary function of the inferior rectus muscle? 
Sub conjunctival hemorrhage A broken blood vessel between the sclera and conjunctiva. 
What does a lensometer measure? Back ve...
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