NCLE Practice Test (2025 Edition) – Complete Exam Prep
with Verified Test Questions & Answers Graded A+
Given the following information:
K's 45.00/44.00 @ 90
Rx -3.00 + 1.00 x 180
Which of the following set of lens specifications would most simulate an intrapalpebral
RGP fitting?
B.C Rx Dia.
a. 44.50 -2.50 8.5
b. 43.50 -1.50 8.5
c. 43.50 -1.50 9.5
d. 44.50 -2.50 9.5
B.C Rx Dia.
a. 44.50 -2.50 8.5
(NUMBER 22)
Given the following information:
K's 45.00 @ 180/42.00 @ 90
Rx -2.00 -4.25 x 90
Which of the following RGP lens designs would best correct this wearers vision?
a. 45.00 -2.00
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b. 42.00 -2.00 -4.25 x 90 prism ballasted
c. 42.00 -2.00
d. 42.00/45.00 -2.00
d. 42.00/45.00 -2.00
A _________ lens is a translating bifocal:
a. concentric
b. aspheric
c. deffractive
d. segmented
d. segmented
Given the following information: K's 42.50@180/42.50@90
Rx -3.00-1.00@90
Which of the following set of RGP lens specifications will best correct this wearers vision?
a. 42.50/43.50 -3.00-1.00x90
b. 42.50 -3.00-1.00x90 prism ballasted
c. 42.50 -3.00
d. 43.00 -3.50
b. 42.50 -3.00-1.00x90 prism ballasted
Given the following information: K's 42.00@180/45.00@90
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Rx -3.00-2.25x180
Which of the following set of RGP lens specifications will best correct this wearers vision?
a. 42.00/45.00 -3.00-2.25
b. 42.00 -3.00-2.75 x 177 prism ballasted
c. 42.00 -3.00
d. 45.00 -3.00
a. 42.00/45.00 -3.00-2.25
A warped lens will show___________ base curve(s) on the radiuscope and a ________ power
on the lensometer.
a. one/spherical
b. two/sphero-cylindrical
c. one/sphero-cylindrical
d. two/spherical
d. two/spherical
The pre-corneal tear film is composed of three distinct layers. They are:
a. Lysozyme, oil, lacrimal
b. Sebacious, mucoid, BAK
c. lipid, lacrimal, mucin
d. water, mucoid, lysozyme
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c. lipid, lacrimal, mucin
The pre-corneal tear film provides
1. A smooth optical surface
2. Metabolic nutrients
3. Endothelial reflex
4. Limbal Hyperemia
a. 1&3
b. 1&2
c. 2&3
d. 3&4
b. 1&2
The main supply of oxygen to the cornea is derived from the
a. Endothelium
b. Collagen Fibrils
c. Basal membrane
d. Tears
d. Tears
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