NCLE Practice Test Practical UPDATED Exam Questions and CORRECT Answers only
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Course
Ncle practical
Institution
Ncle Practical
NCLE Practice Test Practical UPDATED
Exam Questions and CORRECT Answers
only
Steep Fluorescein Pattern - CORRECT ANSWER- Bright green pooling center, very faint
green pooling on diameter of lens
Flat Fluorescein Pattern - CORRECT ANSWER- Bright green pooling on diameter of lens,
very faint ...
NCLE Practice Test Practical UPDATED
Exam Questions and CORRECT Answers
only
Steep Fluorescein Pattern - CORRECT ANSWER- Bright green pooling center, very faint
green pooling on diameter of lens
Flat Fluorescein Pattern - CORRECT ANSWER- Bright green pooling on diameter of lens,
very faint green in center
Against-the-rule Astigmatism Pattern - CORRECT ANSWER- Bright green pooling
horizontally, faint green pooling vertically
With-the-rule Astigmatism Pattern - CORRECT ANSWER- Bright green pooling vertically,
faint green pooling horizontally
Prism Ballast - CORRECT ANSWER- Common technique to stabilize lens from rotating.
Added thickness will position lens inferiorly (bottom of cornea)
Truncation - CORRECT ANSWER- Cutting off .50mm to 1.50mm of bottom edge of lens to
provide stability. Reduces diameter, making a looser fit.
Double Slab-off - CORRECT ANSWER- Lens is thicker centrally and thinner at top and
bottom of lens. Provides comfort to wearer, but may cause some stability issues.
Aspheric Lens Design - CORRECT ANSWER-
Hyperflange - CORRECT ANSWER- Used to correct high riding minus lenses.
Myoflange - CORRECT ANSWER- Used to correct low riding plus lenses.
, Monovision - CORRECT ANSWER- Corrects presbyopia in contact wearers. One eye uses
distance (dominant) and the other eye uses reading (resessive)
Segment Bifocal - CORRECT ANSWER- Same concept as spectacle bifocal. Must be prism
ballast. Often crescent shaped.
Toric Lenses - CORRECT ANSWER- Anterior (front surface), back spherical surface or
posterior (back surface), toric back curve
Front Toric Lens - CORRECT ANSWER- Corrects a low to moderate amount of corneal
astigmatism
Back Toric Lens - CORRECT ANSWER- Corrects a mid to high amount of corneal
astigmatism
Bitoric Lens - CORRECT ANSWER- Corrects 1.50D of corneal astigmatism and high
residual astigmatism
Aphakic - CORRECT ANSWER- Condition of no crystalline lens
Spectacle Blur - CORRECT ANSWER- Temporary blurred vision upon switching from
contact lenses to eyeglasses
Crystalline Lens - CORRECT ANSWER- The main focusing mechanism of the eye
The Main Supply of Oxygen to the cornea is provided by - CORRECT ANSWER- Tear Film
Keratometry mires which are only clear when the wearer blinks are indicative of a -
CORRECT ANSWER- Steep Fit
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