NCLE EXAM |ACTUAL QUESTIONS AND VERIFIED
ANSWERS|BRAND NEW 2026-2027
UPDATE|GRADED A+
Question 1
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
Question 2
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
Question 3
The slit-lamp illumination that gives an overall view of the cornea but limits detail is-
1
,A. Sclerotic scatter
B. Diffuse
C. Specular reflection
D. Oscilatory
CORRECT ANSWER
B. Diffuse
Question 4
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
Question 5
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
2
,Question 6
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?
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˚
Question 7
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
Question 8
Refractive Rx -3.00 -1.00 x 170
K's 42.00 @ 170/43.00 @ 80
3
, Given the above Rx and K's he following diagnostic toric soft lens was used:
B.C. 8.8
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
Question 9
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
Question 10
An instrument that allows simultaneous verification of lens diameter, optic zone width,
and peripheral curve width is:
A. Measuring magnifier
4
ANSWERS|BRAND NEW 2026-2027
UPDATE|GRADED A+
Question 1
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
Question 2
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
Question 3
The slit-lamp illumination that gives an overall view of the cornea but limits detail is-
1
,A. Sclerotic scatter
B. Diffuse
C. Specular reflection
D. Oscilatory
CORRECT ANSWER
B. Diffuse
Question 4
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
Question 5
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
2
,Question 6
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?
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˚
Question 7
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
Question 8
Refractive Rx -3.00 -1.00 x 170
K's 42.00 @ 170/43.00 @ 80
3
, Given the above Rx and K's he following diagnostic toric soft lens was used:
B.C. 8.8
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
Question 9
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
Question 10
An instrument that allows simultaneous verification of lens diameter, optic zone width,
and peripheral curve width is:
A. Measuring magnifier
4
