1|Page
NCLE Exam Practice Pack & Study Guide (2024/2025
Updated Edition)
Actual Correct Questions with Verified Detailed
Rationales | Complete NCLE Mastery Set | Already
Graded A+ | “Everything You Need” NCLE Bundle
The patient has a horizontal visible iris diameter (HVID) of 12.5mm. The best choice of a diameter would
be
a. 13.0mm
b. 13.5mm
c. 14.5mm
d. 15.5mm
c. 14.5mm
An excellent material for a patient with keratoconus would be:
a. Polymacon
b. Crofilcon
c. Bufilcon A
d. Silicone acrylate
d. Silicone acrylate
Prism ballast, truncation, double slab-off, and peri ballast are all designs.
a. soft toric
b. bifocal
c. therapeutic
d. spherical
a. soft toric
Which of the following can NOT be done to increase the movement of a tight fitting RGP lens?
a. enlarge the optical zone
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b. decrease the optical zone
c. decrease the sagittal vaulting
d. decrease the lens diameter
a. enlarge the optical zone
The performance of a soft toric lens depends upon
1 corneal topography
2 lid shape
3 lid positioning
4 lid tightness
a. 1 only
b.1 & 3
c. 2 & 3
d. 1, 2 , 3 & 4
d. 1, 2 , 3 & 4
A high degree of with the rule astigmatism fitted with a rigid spherical lens will show touch
a. on the horizontal meridian
b. on the vertical meridian
c. on the oblique meridian
d. on the residual meridian
a. on the horizontal meridian
A rigid lens showing no apical clearance is an indication of
a. a steep fit
b. an alignment fit
c. a flat fit
d. an astigmatic fit
c. a flat fit
A rigid lens showing apical pooling is an indication of
a. steep fit
b. an alignment fit
c. a flat fit
d. an astigmatic fit
a. steep fit
A rigid lens showing apical vaulting is an indication of
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a. steep fit
b. an alignment fit
c. a flat fit
d. an astigmatic fit
a. steep fit
A rigid lens showing a band-shaped area of touch on the flattest meridian is an indication of
a. steep fit
b. an alignment fit
c. a flat fit
d. an astigmatic fit
a. steep fit
A auxiliary trial lens will extend the keratometer to 61.00 D.
a. -1.25
b. +1.25
c. -1.50
d. +1.50
b. +1.25
A single cut aphakic lens is best suited for patients with apertures and corneas.
a. small / flat
b. small / steep
c. large / flat
d. large / steep
b. small / steep
In choosing the diameter of a soft lens, what is the general rule of thumb?
a. 1.0 mm larger than HVID
b. 2.0 mm larger than HVID
c. 3.0 mm larger than HVID
d. none of the above
b. 2.0 mm larger than HVID
A bifocal lens in which the power changes from the central area of the lens to the periphery is known as
a. an aspherical lens
b. a tangent streak lens
c. a monocentric lens
d. a crescent lens
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a. an aspherical lens
Whenverifying a rigid lens on a radiuscope, you notice that the mires are not in focus in all principal
meridians. This indicates a
1 warped lens
2 back toric
3 bi-toric
4 front toric
a. 1 only
b.1 and 3
c. 2 and 4
d. 1, 2 & 3
d. 1, 2 & 3
Assessment of the quality of the peripheral curves (blends of a rigid contact lens) is achieved by the use
of the-
a. profile analyzer
b. shadow graph
c. keratometer
d. burton light
a. profile analyzer
Contact lens power should be specified in-
a. back vertex power
b. sphero-cylinder power
c. power in situ
d. posterier apical radius
a. back vertex power
The slit-lamp illumination that gives an overall view of the cornea but limits detail is-
a. sclerotic scatter
b. diffuse
c. specular reflection
d. oscilatory
b. diffuse
When a keratometric miers reflected off a soft contact lens are only clear when the wearer blinks, the
lens fit is too-
a. small
b. large
c. steep
d. flat
NCLE Exam Practice Pack & Study Guide (2024/2025
Updated Edition)
Actual Correct Questions with Verified Detailed
Rationales | Complete NCLE Mastery Set | Already
Graded A+ | “Everything You Need” NCLE Bundle
The patient has a horizontal visible iris diameter (HVID) of 12.5mm. The best choice of a diameter would
be
a. 13.0mm
b. 13.5mm
c. 14.5mm
d. 15.5mm
c. 14.5mm
An excellent material for a patient with keratoconus would be:
a. Polymacon
b. Crofilcon
c. Bufilcon A
d. Silicone acrylate
d. Silicone acrylate
Prism ballast, truncation, double slab-off, and peri ballast are all designs.
a. soft toric
b. bifocal
c. therapeutic
d. spherical
a. soft toric
Which of the following can NOT be done to increase the movement of a tight fitting RGP lens?
a. enlarge the optical zone
,2|Page
b. decrease the optical zone
c. decrease the sagittal vaulting
d. decrease the lens diameter
a. enlarge the optical zone
The performance of a soft toric lens depends upon
1 corneal topography
2 lid shape
3 lid positioning
4 lid tightness
a. 1 only
b.1 & 3
c. 2 & 3
d. 1, 2 , 3 & 4
d. 1, 2 , 3 & 4
A high degree of with the rule astigmatism fitted with a rigid spherical lens will show touch
a. on the horizontal meridian
b. on the vertical meridian
c. on the oblique meridian
d. on the residual meridian
a. on the horizontal meridian
A rigid lens showing no apical clearance is an indication of
a. a steep fit
b. an alignment fit
c. a flat fit
d. an astigmatic fit
c. a flat fit
A rigid lens showing apical pooling is an indication of
a. steep fit
b. an alignment fit
c. a flat fit
d. an astigmatic fit
a. steep fit
A rigid lens showing apical vaulting is an indication of
,3|Page
a. steep fit
b. an alignment fit
c. a flat fit
d. an astigmatic fit
a. steep fit
A rigid lens showing a band-shaped area of touch on the flattest meridian is an indication of
a. steep fit
b. an alignment fit
c. a flat fit
d. an astigmatic fit
a. steep fit
A auxiliary trial lens will extend the keratometer to 61.00 D.
a. -1.25
b. +1.25
c. -1.50
d. +1.50
b. +1.25
A single cut aphakic lens is best suited for patients with apertures and corneas.
a. small / flat
b. small / steep
c. large / flat
d. large / steep
b. small / steep
In choosing the diameter of a soft lens, what is the general rule of thumb?
a. 1.0 mm larger than HVID
b. 2.0 mm larger than HVID
c. 3.0 mm larger than HVID
d. none of the above
b. 2.0 mm larger than HVID
A bifocal lens in which the power changes from the central area of the lens to the periphery is known as
a. an aspherical lens
b. a tangent streak lens
c. a monocentric lens
d. a crescent lens
, 4|Page
a. an aspherical lens
Whenverifying a rigid lens on a radiuscope, you notice that the mires are not in focus in all principal
meridians. This indicates a
1 warped lens
2 back toric
3 bi-toric
4 front toric
a. 1 only
b.1 and 3
c. 2 and 4
d. 1, 2 & 3
d. 1, 2 & 3
Assessment of the quality of the peripheral curves (blends of a rigid contact lens) is achieved by the use
of the-
a. profile analyzer
b. shadow graph
c. keratometer
d. burton light
a. profile analyzer
Contact lens power should be specified in-
a. back vertex power
b. sphero-cylinder power
c. power in situ
d. posterier apical radius
a. back vertex power
The slit-lamp illumination that gives an overall view of the cornea but limits detail is-
a. sclerotic scatter
b. diffuse
c. specular reflection
d. oscilatory
b. diffuse
When a keratometric miers reflected off a soft contact lens are only clear when the wearer blinks, the
lens fit is too-
a. small
b. large
c. steep
d. flat
