NCLE COMPREHENSIVE EXAM UPDATED QUESTIONS AND
SOLUTIONS GRADED A+
✔✔Which of the following could be considered in the fitting of a keratoconus patient
1. aspheric
2. McGuire
3. Soper
4. tangent streak
a. 1 & 2
b. 2 & 3
c. 3 & 4
d. 1, 2 and 3 - ✔✔d. 1, 2 and 3
✔✔Two designs helpful in orienting high riding myopic lenses are:
1. flattening the B.C. relationship
2. myo-flang
3. hyper-flang
4. prism ballast
a. 1 & 2
b. 1 & 3
c. 2 & 3
d. 3 & 4 - ✔✔d. 3 & 4
✔✔Age/related signs of presbyopia include:
1. tear film abnormalities
2. reduce lid elasticity
3. lens opacities
4. pupil constriction
a. 1 only
b. 1 & 3
c. 2 & 4
d. all of the above - ✔✔d. all of the above
✔✔A good example of a bifocal contact lens which may rotate without vision
imparement is:
a. aspheric
b. executive
c. fused crescent
d. tangent streak - ✔✔d. tangent streak
✔✔Keratoconus and penetrating keratoplasty fittings are best accomplished by which of
the following methods?
,a. nomogram
b. Ks and Rx
c. diagnostic fitting
d. molded impression - ✔✔c. diagnostic fitting
✔✔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
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
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 - ✔✔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
SOLUTIONS GRADED A+
✔✔Which of the following could be considered in the fitting of a keratoconus patient
1. aspheric
2. McGuire
3. Soper
4. tangent streak
a. 1 & 2
b. 2 & 3
c. 3 & 4
d. 1, 2 and 3 - ✔✔d. 1, 2 and 3
✔✔Two designs helpful in orienting high riding myopic lenses are:
1. flattening the B.C. relationship
2. myo-flang
3. hyper-flang
4. prism ballast
a. 1 & 2
b. 1 & 3
c. 2 & 3
d. 3 & 4 - ✔✔d. 3 & 4
✔✔Age/related signs of presbyopia include:
1. tear film abnormalities
2. reduce lid elasticity
3. lens opacities
4. pupil constriction
a. 1 only
b. 1 & 3
c. 2 & 4
d. all of the above - ✔✔d. all of the above
✔✔A good example of a bifocal contact lens which may rotate without vision
imparement is:
a. aspheric
b. executive
c. fused crescent
d. tangent streak - ✔✔d. tangent streak
✔✔Keratoconus and penetrating keratoplasty fittings are best accomplished by which of
the following methods?
,a. nomogram
b. Ks and Rx
c. diagnostic fitting
d. molded impression - ✔✔c. diagnostic fitting
✔✔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
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
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 - ✔✔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
