Flatter base curve - Study guides, Class notes & Summaries
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NCLE Practice Question Guide 2024.
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NCLE Practice Question Guide curve - ANSWER refers to the radius of curvature of the central posterior surface of the lens. It may be expressed in diopters of surface power (D) or in millimeters (mm) of radius or curvature. 
 
optical zone - ANSWER the chord diameter over which the base curve extends on the posterior surface of the contact lens, described in millimeters 
 
secondary or intermediate curves - ANSWER lies between the base curve and the peripheral curve on the posterior lens surfac...
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NCLE Practice Exam Questions & Answers Accurate 100%
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Which Curve is the Flattest? 
 
A) 7.5 mm 
B) 44.75 D 
C) 7.6 mm 
D) 45.50 D - Answer 7.6 mm 
 
Inflammation of the Eyelids is Called : 
 
A) Palpebritis 
B) Keratitis 
C) Conjunctivitis 
D) Blepharitis - Answer Blepharitis 
 
The Base Curve of a Rigid Lens 
was Ordered at 7.75 mm 
but Received at 7.85 mm. 
The Lens is _______ than ordered. 
 
A) 0.50 D Flatter 
B) 0.50 D Steeper 
C) 1.00 Flatter 
D) 1.00 Steeper - Answer 0.50 D Flatter 
 
The Fairness To Contact Lens Consumers Act of 2003 wa...
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NCLE Exam Prep (2023/2024) RATED A+
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optic zone - the central portion of a contact lens which contains the refractive 
power and generally corresponds to the central corneal cap 
posterior apecal radius - 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 - occurs when the posterior radius of curvature is decreased (i.e. 
8.4 to 8.1 ...
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FINAL/OLD: 4- RGP Fluorescein Pattern Evaluation Qs&As 2024 A+ Review
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FINAL/OLD: 4- RGP Fluorescein Pattern Evaluation Qs&As 2024 A+ Review 
How will an area of pooling appear on slit lamp? - ANS-bright green 
How will a thin tear layer of contact of lens to cornea appear on slit lamp? - ANS-dark or black 
Smaller dioptric base curve is __________________ (steeper/flatter)? - ANS-flatter 
Smaller mm base curve is __________________(steeper/flatter)? - ANS-steeper 
What are the 3 types of fluorescein patterns you may see on a GP lens? - ANS...
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NCLE Exam Prep Questions and Answers Latest Update
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NCLE Exam Prep Questions and Answers Latest Update 
 
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 w...
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NCLE Practice Questions and Answers
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NCLE Practice Questions and Answers Already Passed 
 
base curve -Answer refers to the radius of curvature of the central posterior surface of the lens. It may be expressed in diopters of surface power (D) or in millimeters (mm) of radius or curvature. 
 
optical zone -Answer the chord diameter over which the base curve extends on the posterior surface of the contact lens, described in millimeters 
 
secondary or intermediate curves -Answer lies between the base curve and the peripheral curve on...
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NCLE Practice Questions and Answers 100% Pass
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NCLE Practice Questions and Answers 100% Pass base curve refers to the radius of curvature of the central posterior surface of the lens. It may be expressed in diopters of surface power (D) or in millimeters (mm) of radius or curvature. 
optical zone the chord diameter over which the base curve extends on the posterior surface of the contact lens, described in millimeters 
secondary or intermediate curves lies between the base curve and the peripheral curve on the posterior lens surface, usually...
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NCLE Part One Exam Questions and Answers 2023
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The first successful contact lenses which were originally molded to conform to the 
shape of the cornea were known as - Scleral/Haptic lenses 
Corneal contact lenses: - are the most common design for rigid and gas permeable 
lenses. 
The majority of soft lenses fit today are: - semi-scleral 
A liquid coming in contact with a hydrophilic lens material with a relatively small 
wetting angle would be likely to: - spread evenly over its surface 
A contact lens with diameter larger than that of th...
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NCLE Practice questions with correct answers
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base curve - Answer refers to the radius of curvature of the central posterior surface of the lens. It may be expressed in diopters of surface power (D) or in millimeters (mm) of radius or curvature. 
 
optical zone - Answer the chord diameter over which the base curve extends on the posterior surface of the contact lens, described in millimeters 
 
secondary or intermediate curves - Answer lies between the base curve and the peripheral curve on the posterior lens surface, usua...
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NCLE Practice Questions and Answers Already Passed
- Exam (elaborations) • 15 pages • 2023
- Available in package deal
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- $10.49
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base curve -Answerrefers to the radius of curvature of the central posterior surface of the 
lens. It may be expressed in diopters of surface power (D) or in millimeters (mm) of radius or 
curvature. 
optical zone -Answerthe chord diameter over which the base curve extends on the posterior 
surface of the contact lens, described in millimeters 
secondary or intermediate curves -Answerlies between the base curve and the peripheral 
curve on the posterior lens surface, usually 0.70mm to 1.50mm...
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