NCLE ACTUAL EXAM 2026 |NCLE STUDY
GUIDE 2026 | NCLE PRACTICE EXAM ALL
QUESTIONS AND CORRECT DETAILED
ANSWERS ALREADY A GRADED WITH
EXPERT FEEDBACK |CURRENTLY
TESTING |NEW AND REVISED
In using fluorescein to evaluate the fit of a rigid lens of 9.0mm diameter
on a typical eye, a correct statement is that:
a) apical touch with pooling in the PPC curve area is preferred
b) apical toxicity may not be obvious
c) apical pooling with edge touch is recommended
d) apical area, mid-peripheral area, and the lens edges should be
assessed - ANSWER- d) apical area, mid-peripheral area, and the lens
edges should be assessed
Which of the following changes would improve a rigid contact lens fit
that shows sluggish movement after 1 hour of wear?
a) Add hyperflange edge treatment
b) Reduce overall diameter
c) Decrease center thickness
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d) Increase overall diameter - ANSWER- b) Reduce overall diameter
Moving a +7.50 RX from the spectacle plane to the corneal plane will
require:
a) no change in power
b) more minus power
c) more plus power
d) less plus power - ANSWER- c) more plus power
A fluorescein pattern that has a black area over the corneal apex and a
diffuse green area in the periphery normally indicates:
a) flat fit
b) steep fit
c) normal fit
d) tight fit - ANSWER- a) flat fit
IPC's are used to:
a) provide a transition between the peripheral and base curves
b) reduce edge thickness and lens mass
c) increase the optical zone
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d) smooth the lens edge - ANSWER- a) provide a transition between the
peripheral and base curves
A toric soft lens with an RX of -2.00 -1.25 x 120 has the axis resting at
the 5 o' clock position. What should the new axis be when the lens is
ordered?
a) 90 degrees
b) 105 degrees
c) 135 degrees
d) 150 degrees - ANSWER- a) 90 degrees
Upon initial insertion of a GP lens, the patient complains about flare. To
correct this problem, the fitter should choose a lens with a/an:
a) increased base curve
b) increased optical zone
c) decreased optical zone
d) flattened base curve - ANSWER- b) increased optical zone
Which curve would a fitter modify to allow more tear flow under the
edge of a rigid lens?
a) Posterior peripheral curve
b) Optical curve
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c) Anterior peripheral curve
d) Anterior central curve - ANSWER- a) Posterior peripheral curve
If a well fitted diagnostic lens has a -3.00 power and the over-refraction
at 12mm is -2.00, the correct lens power to order is:
a) -4.50
b) -4.75
c) -5.00
d) -5.25 - ANSWER- c) -5.00
For a patient with 1.25D of with-the-rule astigmatism, who is active
outdoors and who operates heavy construction equipment, the most
appropriate type of contact lens would be:
a) soft toric lenses
b) spherical gas permeable lenses
c) spherical soft lenses
d) toric gas permeable lenses - ANSWER- a) soft toric lenses
Which of the following instruments is most commonly used to measure
the diameter of the optical zone of a contact lens?
a) contactometer