NCLE EVALUATION EXAM ACTUAL QUESTIONS AND
SOLUTIONS GRADED A+
✔✔The normal cornea is transparent due to the pump action creating proper fluid
balance. Which layer of the cornea is most responsible for maintaining this function?
a. Endothelium
b. Basal membrane
c. Epithelium
d. Bowmans membrane - ✔✔a. Endothelium
✔✔The normal cornea is in a state of
a. Turgesence
b. Deturgesence
c. Hyperemia
d. Hypoxia - ✔✔b. Deturgesence
✔✔The cornea receives nutrients from
1 Aqueous humor
2 Tears
3 Limbal blood vessels
4 Orbicularis occuli
a. 1, 3 & 4
b. 2 & 3
c. 1, 2 & 3
d. 3 & 4 - ✔✔c. 1, 2 & 3
✔✔Refraction -1.00-3.00 x 90 K Reading 44.00@180/ 41.00@90
a. BC 41.00/44.00 Power -1.00/3.00
b. BC 41.00/44.00 Power -1.00/-4.00
c. BC 41.00/44.00 Power -4.00/-1.00
d. BC 44.00/41.00 Power -1.00/-3.00 - ✔✔b. BC 41.00/44.00 Power -1.00/-4.00
book lists C as answer?
✔✔A dense white appearance of the entire peripheral circumference of the cornea
which does not stain and is often seen in the elderly is known as:
a. neovascularization
b. Dellen
c. Arcus senilus
d. Corneal ulcer - ✔✔c. Arcus senilus
, ✔✔The main focusing mechanism of the eye is the
a. Cornea
b. Crystalline Lens
c. Retina
d. Vitreous - ✔✔b. Crystalline Lens
✔✔A normal tear break up time is
a. 6-7 seconds
b. 10-12 seconds
c. Less than 5 seconds
d. none of the above - ✔✔b. 10-12 seconds
✔✔Which of the following materials will not require a weekly enzymatic cleaner?
a. Polymethylmethacrylate lenses
b. Sofperm
c. Hydroxyethyl Methacrylate lenses
d. Silicone - acrylate lenses - ✔✔a. Polymethylmethacrylate lenses
✔✔Clinical management of RGP flexure may be eliminated by:
a. redicing sagittal vaulting
b. increasing center thickness
c. Choosing a lower DK material
d. all the above - ✔✔d. all the above
✔✔Upon removal of the crystalline lens, the patient is:
a. aphakic
b. myopic
c. hyperopic
d. astigmatic - ✔✔a. aphakic
✔✔a hardening of the crystalline lens causing loss of accommodation is known as:
a. presbyopia
b. myopia
c. hyperopia
d. aphakia - ✔✔a. presbyopia
✔✔A rigid contact lens measures +15.00 BVP. The FVP will measure.
a. a lesser dioptric reading
b. a greater dioptric reading
c. an identical dioptric reading
SOLUTIONS GRADED A+
✔✔The normal cornea is transparent due to the pump action creating proper fluid
balance. Which layer of the cornea is most responsible for maintaining this function?
a. Endothelium
b. Basal membrane
c. Epithelium
d. Bowmans membrane - ✔✔a. Endothelium
✔✔The normal cornea is in a state of
a. Turgesence
b. Deturgesence
c. Hyperemia
d. Hypoxia - ✔✔b. Deturgesence
✔✔The cornea receives nutrients from
1 Aqueous humor
2 Tears
3 Limbal blood vessels
4 Orbicularis occuli
a. 1, 3 & 4
b. 2 & 3
c. 1, 2 & 3
d. 3 & 4 - ✔✔c. 1, 2 & 3
✔✔Refraction -1.00-3.00 x 90 K Reading 44.00@180/ 41.00@90
a. BC 41.00/44.00 Power -1.00/3.00
b. BC 41.00/44.00 Power -1.00/-4.00
c. BC 41.00/44.00 Power -4.00/-1.00
d. BC 44.00/41.00 Power -1.00/-3.00 - ✔✔b. BC 41.00/44.00 Power -1.00/-4.00
book lists C as answer?
✔✔A dense white appearance of the entire peripheral circumference of the cornea
which does not stain and is often seen in the elderly is known as:
a. neovascularization
b. Dellen
c. Arcus senilus
d. Corneal ulcer - ✔✔c. Arcus senilus
, ✔✔The main focusing mechanism of the eye is the
a. Cornea
b. Crystalline Lens
c. Retina
d. Vitreous - ✔✔b. Crystalline Lens
✔✔A normal tear break up time is
a. 6-7 seconds
b. 10-12 seconds
c. Less than 5 seconds
d. none of the above - ✔✔b. 10-12 seconds
✔✔Which of the following materials will not require a weekly enzymatic cleaner?
a. Polymethylmethacrylate lenses
b. Sofperm
c. Hydroxyethyl Methacrylate lenses
d. Silicone - acrylate lenses - ✔✔a. Polymethylmethacrylate lenses
✔✔Clinical management of RGP flexure may be eliminated by:
a. redicing sagittal vaulting
b. increasing center thickness
c. Choosing a lower DK material
d. all the above - ✔✔d. all the above
✔✔Upon removal of the crystalline lens, the patient is:
a. aphakic
b. myopic
c. hyperopic
d. astigmatic - ✔✔a. aphakic
✔✔a hardening of the crystalline lens causing loss of accommodation is known as:
a. presbyopia
b. myopia
c. hyperopia
d. aphakia - ✔✔a. presbyopia
✔✔A rigid contact lens measures +15.00 BVP. The FVP will measure.
a. a lesser dioptric reading
b. a greater dioptric reading
c. an identical dioptric reading
