NCLE CONTACT LENS EXAM |ACTUAL QUESTIONS
AND VERIFIED ANSWERS|BRAND NEW 2026-2027
UPDATE|GRADED A+
Question 1
Which of the following medications may affect successful contact lens wear?
A.Tums
B.Benadryl
C.Tylenol
D.Metamucil
CORRECT ANSWER
B
Question 2
A normal tear break up time is:
A.Less than 5 seconds
B.6-7 seconds
C.10-12 seconds
D.15-18 seconds
CORRECT ANSWER
B
Question 3
Thermal disinfection of soft lenses:
A.Extends the life of the contacts since it kills microorganisms better than chemicals
1
,B.Can be done by boiling the lens case in a pot of water for one hour if a thermal disinfection
unit is not available
C.Is effective against acanthamoeba cysts and trophozoites
D.Does not require prior cleaning with a surfactant since it kills microorganisms so effectively
CORRECT ANSWER
D
Question 4
In choosing the diameter of a soft lens, what is the general rule of thumb?
A.Same Diameter as HVID
B.1.0 mm larger than HVID
C.2.0 mm larger than HVID
D.3.0 mm larger than HVID
CORRECT ANSWER
C
Question 5
Which of the following is not important to document in medical records for contact lens
patients?
A.Care system the patient is using
B.Lens parameters and materials
C.Care system the patient had problems with
D.Location at which the patient was originally taught insertion and removal
CORRECT ANSWER
D
2
, Question 6
The preservative in contact lens solutions:
A.Must demonstrate efficacy in killing bacterial viral and fungal microorganisms
B.Is usually a mercury compound such as thimerosal
C.Must kill all microorganisms on a contact lens in a 4 hour soak period
D.Is formulated to keep microorganisms from multiplying in a bottle of contact lens solutions
after it has been opened
CORRECT ANSWER
D
Question 7
The following Rx represents:OD +2.00 sph = OS -3.00 -2.00 x 180 = 20 /20
A.Amblyopia
B.Anisometropia
C.Aniseikonia
D.Emmetropia
CORRECT ANSWER
B
Question 8
Which step should be performed first when taking keratometer measurements?
A.Adjust the patient so that they are comfortable
B.Focus the eyepiece
C.Rotate the drum to reflect the cylinder axis
3
AND VERIFIED ANSWERS|BRAND NEW 2026-2027
UPDATE|GRADED A+
Question 1
Which of the following medications may affect successful contact lens wear?
A.Tums
B.Benadryl
C.Tylenol
D.Metamucil
CORRECT ANSWER
B
Question 2
A normal tear break up time is:
A.Less than 5 seconds
B.6-7 seconds
C.10-12 seconds
D.15-18 seconds
CORRECT ANSWER
B
Question 3
Thermal disinfection of soft lenses:
A.Extends the life of the contacts since it kills microorganisms better than chemicals
1
,B.Can be done by boiling the lens case in a pot of water for one hour if a thermal disinfection
unit is not available
C.Is effective against acanthamoeba cysts and trophozoites
D.Does not require prior cleaning with a surfactant since it kills microorganisms so effectively
CORRECT ANSWER
D
Question 4
In choosing the diameter of a soft lens, what is the general rule of thumb?
A.Same Diameter as HVID
B.1.0 mm larger than HVID
C.2.0 mm larger than HVID
D.3.0 mm larger than HVID
CORRECT ANSWER
C
Question 5
Which of the following is not important to document in medical records for contact lens
patients?
A.Care system the patient is using
B.Lens parameters and materials
C.Care system the patient had problems with
D.Location at which the patient was originally taught insertion and removal
CORRECT ANSWER
D
2
, Question 6
The preservative in contact lens solutions:
A.Must demonstrate efficacy in killing bacterial viral and fungal microorganisms
B.Is usually a mercury compound such as thimerosal
C.Must kill all microorganisms on a contact lens in a 4 hour soak period
D.Is formulated to keep microorganisms from multiplying in a bottle of contact lens solutions
after it has been opened
CORRECT ANSWER
D
Question 7
The following Rx represents:OD +2.00 sph = OS -3.00 -2.00 x 180 = 20 /20
A.Amblyopia
B.Anisometropia
C.Aniseikonia
D.Emmetropia
CORRECT ANSWER
B
Question 8
Which step should be performed first when taking keratometer measurements?
A.Adjust the patient so that they are comfortable
B.Focus the eyepiece
C.Rotate the drum to reflect the cylinder axis
3
