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NCLE 2026 QUESTIONS AND
ANSWERS | A+ GRADED | WITH
EXPERT SOLUTIONS
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 - correct answer -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 - correct answer -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
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c. specular reflection
d. oscilatory - correct answer -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 - correct answer -c. steep
Transient keratometric mier distortion is usually due to-
a. pre-ocular tear film abnormalities
b. prolonged rigid lens wear
c. prolonged soft lens wear
d. irregular corneal astigmatism - correct answer -a. pre-ocular
tear film abnormalities
Epithelial edema which manifests itself clinically as central
corneal haze, is verified by the slit lamp using sclerotic scatter
illumination. What specific technique does the examiner use to
see this condition?
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a. the naked eye and an angle between the slit lamp beam and
the eye of 90˚
b. the blue cobalt filter of the slit lamp and an angle of about 45˚
c. the green filter of the slit lamp with high magnification
d. high magnification and an angle between the beam and scope
of 180˚ - correct answer -a. the naked eye and an angle between
the slit lamp beam and the eye of 90˚
With a rigid contact lens in place a flourescein pattern shows a
narrow bend horizontally wih a concentration of flourescein
inferiorly and superiorly under the lens. Which one of the following
type of astigmatism is represented by this pattern?
a. lenticular astigmatism
b. residual astigmatism
c. against the rule astigmatism
d. with the rule astigmatism - correct answer -d. with the rule
astigmatism
Refractive Rx -3.00 -1.00 x 170
K's 42.00 @ 170/43.00 @ 80
Given the above Rx and K's he following diagnostic toric soft lens
was used:
B.C. 8.8
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Power -3.00 -1.00 x 180
During dianostic evalutation, the above lens rotated 10 clockwise.
The lens ordered should have an axis of:
a. 10
b. 180
c. 170
d. 160 - correct answer -b. 180
Given the same circumstances from the above question, once the
correctly ordered lens has been dispensed, the rotational marks
should settle at _______.
a. 6 o clock
b. 10 clockwise rotation
c. 10 counter clockwise rotation
d. none of the above - correct answer -b. 10 clockwise rotation
An instrument that allows simultaneous verification of lens
diameter, optic zone width, and peripheral curve width is:
a. measuring magnifier
b. ophthalmometer
c. profile analyzer
d. radiuscope - correct answer -a. measuring magnifier
NCLE 2026 QUESTIONS AND
ANSWERS | A+ GRADED | WITH
EXPERT SOLUTIONS
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 - correct answer -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 - correct answer -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
, Page | 2
c. specular reflection
d. oscilatory - correct answer -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 - correct answer -c. steep
Transient keratometric mier distortion is usually due to-
a. pre-ocular tear film abnormalities
b. prolonged rigid lens wear
c. prolonged soft lens wear
d. irregular corneal astigmatism - correct answer -a. pre-ocular
tear film abnormalities
Epithelial edema which manifests itself clinically as central
corneal haze, is verified by the slit lamp using sclerotic scatter
illumination. What specific technique does the examiner use to
see this condition?
, Page | 3
a. the naked eye and an angle between the slit lamp beam and
the eye of 90˚
b. the blue cobalt filter of the slit lamp and an angle of about 45˚
c. the green filter of the slit lamp with high magnification
d. high magnification and an angle between the beam and scope
of 180˚ - correct answer -a. the naked eye and an angle between
the slit lamp beam and the eye of 90˚
With a rigid contact lens in place a flourescein pattern shows a
narrow bend horizontally wih a concentration of flourescein
inferiorly and superiorly under the lens. Which one of the following
type of astigmatism is represented by this pattern?
a. lenticular astigmatism
b. residual astigmatism
c. against the rule astigmatism
d. with the rule astigmatism - correct answer -d. with the rule
astigmatism
Refractive Rx -3.00 -1.00 x 170
K's 42.00 @ 170/43.00 @ 80
Given the above Rx and K's he following diagnostic toric soft lens
was used:
B.C. 8.8
, Page | 4
Power -3.00 -1.00 x 180
During dianostic evalutation, the above lens rotated 10 clockwise.
The lens ordered should have an axis of:
a. 10
b. 180
c. 170
d. 160 - correct answer -b. 180
Given the same circumstances from the above question, once the
correctly ordered lens has been dispensed, the rotational marks
should settle at _______.
a. 6 o clock
b. 10 clockwise rotation
c. 10 counter clockwise rotation
d. none of the above - correct answer -b. 10 clockwise rotation
An instrument that allows simultaneous verification of lens
diameter, optic zone width, and peripheral curve width is:
a. measuring magnifier
b. ophthalmometer
c. profile analyzer
d. radiuscope - correct answer -a. measuring magnifier
