NCLE EXAM, PRACTICE EXAM AND STUDY GUIDE LATEST 2024 ACTUAL EXAM CONTAINS 600 QUESTIONS
AND CORRECT DETAILED ANSWERS
Which of the following medications may affect successful contact lens wear?
A. Antacids
B. Antihistamines
C. Aspirin
D. Laxatives - (answer) B. Antihistamines
Which term refers to a sensitivity to light?
A. Presbyopia
B. Photophobia
C. Pannus
D. Ptosis - (answer) B. Photophobia
The following is an example of what type of astigmatism?
K's 42.50 @ .50 @ 090
A. With-the-rule
B. Lenticular
C. Against-the-rule
D. Irregular - (answer) C. Against-the-rule
The cornea receives nutrients from:
1. Aqueous humor
2. Tears
3. Limbal blood vessels
4. Orbicularis occuli
A. 1, 3, 4
B. 2, 3
,NCLE EXAM, PRACTICE EXAM AND STUDY GUIDE LATEST 2024 ACTUAL EXAM CONTAINS 600 QUESTIONS
AND CORRECT DETAILED ANSWERS
C. 1, 2, 3
D. 3, 4 - (answer) C. 1,2,3
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. Corneascope
C. Slit lamp
D. Keratometer - (answer) C. Slit lamp
The classic model of 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
Transpose the following RX into minus cylinder form
RX -4.50 +1.25 x 094
A. -3.25 -1.25 x 004
B. -3.25 -1.25 x 094
C. -4.50 -1.25 x 004
D. -5.75 -1.25 x 004 - (answer) A. -3.25 -1.25 x 004
,NCLE EXAM, PRACTICE EXAM AND STUDY GUIDE LATEST 2024 ACTUAL EXAM CONTAINS 600 QUESTIONS
AND CORRECT DETAILED ANSWERS
The average pH value of the human tear is
A. 6.6
B. 7.4
C. 7.8
D. 10.0 - (answer) B. 7.4
If the manufacturer's guidelines suggest a minimum of 4 hours of disinfection, what would you suggest
to the patient?
A. Never leave lenses in disinfectant overnight
B. 2-3 hours is probably enough
C. Use surfactant cleaner and preserved saline
D. A minimum of 4 hours is required - (answer) D. A minimum of 4 hours is required
The main supply of oxygen to the cornea epithelium is derived from the
A. Stroma
B. Collagen fibrils
C. Basal membrane
D. Tear film - (answer) D. Tear film
What is the term for the condition in which there is loss of vision without any apparent disease of the
eye?
A. Amblyopia
B. Aniridia
C. Astigmatism
D. Aphakia - (answer) A. Amblyopia
Which auxiliary trial lens will extend the keratometer range to approximately 30.00 D?
, NCLE EXAM, PRACTICE EXAM AND STUDY GUIDE LATEST 2024 ACTUAL EXAM CONTAINS 600 QUESTIONS
AND CORRECT DETAILED ANSWERS
A. +1.00 D
B. +1.25 D
C. -1.00 D
D. -1.50 D - (answer) C. -1.00 D
Which steps should be performed first when taking keratometer measurements?
A. Rotate the drum to reflect the cylinder axis
B. Adjust the patient so that they are comfortable
C. Focus the eyepiece
D> Cover the patient's eye that is not being measured - (answer) C. Focus the eyepiece
The following is an example of what type of astigmatism?
K's 44.00 @ .50 @ 090
RX -3.00 -2.50 x 180
A. Lenticular
B. Against-the-rule
C. Irregular
D. Oblique - (answer) A. Lenticular
Ocular signs of aging include
1. Tear film abnormalities
2. Reduced lid elasticity
3. Lens opacities
4. Loss of accommodation
A. 1 only
B. 1, 3
AND CORRECT DETAILED ANSWERS
Which of the following medications may affect successful contact lens wear?
A. Antacids
B. Antihistamines
C. Aspirin
D. Laxatives - (answer) B. Antihistamines
Which term refers to a sensitivity to light?
A. Presbyopia
B. Photophobia
C. Pannus
D. Ptosis - (answer) B. Photophobia
The following is an example of what type of astigmatism?
K's 42.50 @ .50 @ 090
A. With-the-rule
B. Lenticular
C. Against-the-rule
D. Irregular - (answer) C. Against-the-rule
The cornea receives nutrients from:
1. Aqueous humor
2. Tears
3. Limbal blood vessels
4. Orbicularis occuli
A. 1, 3, 4
B. 2, 3
,NCLE EXAM, PRACTICE EXAM AND STUDY GUIDE LATEST 2024 ACTUAL EXAM CONTAINS 600 QUESTIONS
AND CORRECT DETAILED ANSWERS
C. 1, 2, 3
D. 3, 4 - (answer) C. 1,2,3
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. Corneascope
C. Slit lamp
D. Keratometer - (answer) C. Slit lamp
The classic model of 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
Transpose the following RX into minus cylinder form
RX -4.50 +1.25 x 094
A. -3.25 -1.25 x 004
B. -3.25 -1.25 x 094
C. -4.50 -1.25 x 004
D. -5.75 -1.25 x 004 - (answer) A. -3.25 -1.25 x 004
,NCLE EXAM, PRACTICE EXAM AND STUDY GUIDE LATEST 2024 ACTUAL EXAM CONTAINS 600 QUESTIONS
AND CORRECT DETAILED ANSWERS
The average pH value of the human tear is
A. 6.6
B. 7.4
C. 7.8
D. 10.0 - (answer) B. 7.4
If the manufacturer's guidelines suggest a minimum of 4 hours of disinfection, what would you suggest
to the patient?
A. Never leave lenses in disinfectant overnight
B. 2-3 hours is probably enough
C. Use surfactant cleaner and preserved saline
D. A minimum of 4 hours is required - (answer) D. A minimum of 4 hours is required
The main supply of oxygen to the cornea epithelium is derived from the
A. Stroma
B. Collagen fibrils
C. Basal membrane
D. Tear film - (answer) D. Tear film
What is the term for the condition in which there is loss of vision without any apparent disease of the
eye?
A. Amblyopia
B. Aniridia
C. Astigmatism
D. Aphakia - (answer) A. Amblyopia
Which auxiliary trial lens will extend the keratometer range to approximately 30.00 D?
, NCLE EXAM, PRACTICE EXAM AND STUDY GUIDE LATEST 2024 ACTUAL EXAM CONTAINS 600 QUESTIONS
AND CORRECT DETAILED ANSWERS
A. +1.00 D
B. +1.25 D
C. -1.00 D
D. -1.50 D - (answer) C. -1.00 D
Which steps should be performed first when taking keratometer measurements?
A. Rotate the drum to reflect the cylinder axis
B. Adjust the patient so that they are comfortable
C. Focus the eyepiece
D> Cover the patient's eye that is not being measured - (answer) C. Focus the eyepiece
The following is an example of what type of astigmatism?
K's 44.00 @ .50 @ 090
RX -3.00 -2.50 x 180
A. Lenticular
B. Against-the-rule
C. Irregular
D. Oblique - (answer) A. Lenticular
Ocular signs of aging include
1. Tear film abnormalities
2. Reduced lid elasticity
3. Lens opacities
4. Loss of accommodation
A. 1 only
B. 1, 3
