NCLE Prep Exam Part 1 of 4 Questions and Solutions.
Exam Revision Questions and Correct Answers |
Graded A+ | 2025 Update |
Which of the following medications may affect successful contact lens wear?
A. Antacids
B. Antihistamines
C. Aspirin
D. Laxatives - Answer -B. Antihistimines
Which term refers to a sensitivity to light?
A. Prebyopia
B. Photophobia
C. Pannus
D. Ptosis - Answer -B. Photophobia
The following is an example of what type of astigmatism?
K's 42.50 @ .50 @ 90
A. With the Rule Astigmatism
B. Lenticular Astigmatism
C. Against the Rule Astigmatism
D. Irregular Astigmatism - Answer -C. Against the Rule Astigmatism
This is present when the K readings are steeper i the horizontal meridian than the vertical meridian
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 - Answer -C. 1, 2 & 3
The normal cornea is devoid of blood vessels. To provide metabolites, the cornea is nourished by
diffusion of nutrients and oxygen by the aqueous humor, tears, and vascular blood vessels in the
limbus.
(The orbicularis occuli is a muscle in the eyelid whose primary function is lid closure)
The increased loss of ability of the crystalline lens to accommodate is called:
A. Presbyopia
B. Myopia
C. Hyperopia
D. Aphakia - Answer -A. Presbyopia
Which instrument can provide simultaneous information about the cornea, lids, conjunctiva,
lashes,
contact lens surface and fit?
A. Radiuscope
B. Corneoscope
C. Slit Lamp
D. Keratometer - Answer -C. Slit Lamp
The slit lamp (or biomicroscope) can provide simultaneous information about the cornea, lids,
conjunctiva, lashes, contact lens surface and fit.
The pre-corneal tear film is composed of three layers which are:
A. Lysozyme, oil, lacrimal
B. Sebaceous, mucoid, BAK
C. Lipid, aqueous, mucin
D. Water, mucoid, lysozyme - Answer -C. Lipid, aqueous, mucin
The pre-corneal tear film is composed of lipid, aqueous, and mucin layers. The lipid layer is
traditionally
thought of as most anterior (front) while the mucin layer is most posterior (back)
Transpose the following Rx into minus cylinder form:
Rx -4.50 +1.25 x 94
Exam Revision Questions and Correct Answers |
Graded A+ | 2025 Update |
Which of the following medications may affect successful contact lens wear?
A. Antacids
B. Antihistamines
C. Aspirin
D. Laxatives - Answer -B. Antihistimines
Which term refers to a sensitivity to light?
A. Prebyopia
B. Photophobia
C. Pannus
D. Ptosis - Answer -B. Photophobia
The following is an example of what type of astigmatism?
K's 42.50 @ .50 @ 90
A. With the Rule Astigmatism
B. Lenticular Astigmatism
C. Against the Rule Astigmatism
D. Irregular Astigmatism - Answer -C. Against the Rule Astigmatism
This is present when the K readings are steeper i the horizontal meridian than the vertical meridian
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 - Answer -C. 1, 2 & 3
The normal cornea is devoid of blood vessels. To provide metabolites, the cornea is nourished by
diffusion of nutrients and oxygen by the aqueous humor, tears, and vascular blood vessels in the
limbus.
(The orbicularis occuli is a muscle in the eyelid whose primary function is lid closure)
The increased loss of ability of the crystalline lens to accommodate is called:
A. Presbyopia
B. Myopia
C. Hyperopia
D. Aphakia - Answer -A. Presbyopia
Which instrument can provide simultaneous information about the cornea, lids, conjunctiva,
lashes,
contact lens surface and fit?
A. Radiuscope
B. Corneoscope
C. Slit Lamp
D. Keratometer - Answer -C. Slit Lamp
The slit lamp (or biomicroscope) can provide simultaneous information about the cornea, lids,
conjunctiva, lashes, contact lens surface and fit.
The pre-corneal tear film is composed of three layers which are:
A. Lysozyme, oil, lacrimal
B. Sebaceous, mucoid, BAK
C. Lipid, aqueous, mucin
D. Water, mucoid, lysozyme - Answer -C. Lipid, aqueous, mucin
The pre-corneal tear film is composed of lipid, aqueous, and mucin layers. The lipid layer is
traditionally
thought of as most anterior (front) while the mucin layer is most posterior (back)
Transpose the following Rx into minus cylinder form:
Rx -4.50 +1.25 x 94
