NCLE EXAM AND PRACTICE QUESTIONS NEWEST 2024 WITH UPDATED QUESTIONS AND DETAILED CORRECT ANSWERS (ALREADY GRADED A+)

NCLE EXAM AND PRACTICE QUESTIONS
NEWEST 2024 WITH UPDATED
QUESTIONS AND DETAILED CORRECT
ANSWERS (ALREADY GRADED A+)
To correct a flat fitting rigid gas permeable lens you should: -
ANSWER-Enlarge the optical zone
IN order to create a smooth blend between the intermediate and
peripheral curve of the following contact, which radius tool should
be used?
CPC 7.50 mm (45.00 D) IPC 8.50 mm PPC 10.50 mm -
ANSWER-9.5
which of the following polishing compounds should not be used
with gas permeable lenses - ANSWER-Silvo
To increase tear exchange with a rigid gas permeable lens what
should be attempted? - ANSWER-Reduce the overall lens
diameter, Flatten the peripheral curves, and decrease the optic
zone
Advantages of a myoflange versus a single cut high plus lens
include:
1.) Reduce center thickness
2.) Increased optical zone
3.) reduced weight - ANSWER-1, 2 and 3
A technique for correcting a high ridding rigid minus lens may be
to use a - ANSWER-Prism ballasted lens
2 | P a g e
Mike, a welder whose Rx is -6.00 +2.00 *180 has been advised to
trade his PMMA lenses of 20 years for a modality that allows
more oxygen to the cornea. The first lens of choice would be: -
ANSWER-Low to mid Dk RGP
A low riding high lens on a 40.00 @ 180 / 40.75 @ 90 cornea
could be corrected with: - ANSWER-A myoflange lenticular
Rigid gas permeable lens flexure may be eliminated by: -
ANSWER-reducing sagittal vaulting, increasing center thickness,
choosing a lower Dk material
which of the following is not important to document in medical
records for contact lens patients? - ANSWER-location at which
the patient was originally taught insertion and removal
which of the following will not increase the movement of a tight
fitting rigid gas permeable lens? - ANSWER-enlarge the posterior
optic zone
After building up her wearing time, Jennifer returned for an
afternoon recheck after eight hours of lens wear. The lenses
moved <0.5 mm and her complaints were minimal except for late
afternoon burning. Which would you suspect? - ANSWER-tight
lens
To correct a flat fitting rigid gas permeable lens you should: -
ANSWER-Enlarge the optical zone
IN order to create a smooth blend between the intermediate and
peripheral curve of the following contact, which radius tool should
be used?
CPC 7.50 mm (45.00 D) IPC 8.50 mm PPC 10.50 mm -
ANSWER-9.5
3 | P a g e
which of the following polishing compounds should not be used
with gas permeable lenses - ANSWER-Silvo
To increase tear exchange with a rigid gas permeable lens what
should be attempted? - ANSWER-Reduce the overall lens
diameter, Flatten the peripheral curves, and decrease the optic
zone
Advantages of a myoflange versus a single cut high plus lens
include:
1.) Reduce center thickness
2.) Increased optical zone
3.) reduced weight - ANSWER-1, 2 and 3
A technique for correcting a high ridding rigid minus lens may be
to use a - ANSWER-Prism ballasted lens
Mike, a welder whose Rx is -6.00 +2.00 *180 has been advised to
trade his PMMA lenses of 20 years for a modality that allows
more oxygen to the cornea. The first lens of choice would be: -
ANSWER-Low to mid Dk RGP
A low riding high lens on a 40.00 @ 180 / 40.75 @ 90 cornea
could be corrected with: - ANSWER-A myoflange lenticular
Rigid gas permeable lens flexure may be eliminated by: -
ANSWER-reducing sagittal vaulting, increasing center thickness,
choosing a lower Dk material
What two design changes might be helpful in centering a high
riding myopic lens?
1.) Flattening the base curve
2.) myoflange lenticular
3.) Hyperflange lenticular
4 | P a g e
4.) Prism ballast - ANSWER-3 and 4; hyperflange lenticular and
prism ballast
on a compromised cornea, such as a one that has undergone a
corneal graft, what lens characteristics would be most beneficial?
- ANSWER-high Dk/L lenses that allow more oxygen to the cornia
K's 42.00 @ 170 / 43.00 @ 80
Rx -3.00 -1.00 x 170
Given the above Rx and K's, the following diagnostic toric soft
lens was used: 8.8 -3.00 -1.00 x 180