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ABO-NCLE PRACTICAL EXAM QUESTIONS LATEST 2024-
2025 VERSION A, B AND C STUDY GUIDE ALL 300
QUESTIONS AND CORRECT ANSWERS
ABO-NCLE VERSION A
Which of the following conditions is indicated by the following RX:
O.D. +1.00 -1.00 x 180
O.S. -2.00 -.50 x 45 - CORRECT ANSWER✔✔Antimetropia
The loss of vision without any apparent defect to the eye is called - CORRECT
ANSWER✔✔Amblyopia
The ANSI cylinder tolerance for a -.25 cylinder is - CORRECT ANSWER✔✔Plus or
minus 7 degrees
Which of the following has no power in the 180 degree meridian? - CORRECT
ANSWER✔✔+2.00 -2.00 x 90
All specifications being equal which of the following materials will yield the
thinnest lens? - CORRECT ANSWER✔✔Polycarbonate
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If the right temple is angled up the effect on the frame will be to - CORRECT
ANSWER✔✔Lower the right side
If the adjustable pads on a metal frame are re-positioned downwards into the
bridge of the frame the resulting effect on the fit will be to - CORRECT
ANSWER✔✔Raise the front
Which recreational activity would be best suited with yellow lenses? - CORRECT
ANSWER✔✔Hunting
Bicentrec grinding is a term synonymous with - CORRECT ANSWER✔✔Slab off
If a patient is wearing a +12.00 diopter sphere and the adjustment is made to
move them closer to the eyes, what effect will that have on the effective power of
the lens? - CORRECT ANSWER✔✔Decrease the plus power
Which RX of the following is the same as the following RX: -3.00 +2.50 x 25 -
CORRECT ANSWER✔✔-.50 -2.50 x 115
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Given a material of unknown index and the speed of light within that material as
10100 miles per second. Compute the index of refraction for that material. -
CORRECT ANSWER✔✔1.62
Which of the following materials would make the safest lens in all circumstances?
- CORRECT ANSWER✔✔Polycarbonate
This agency is primarily concerned with safety in the workplace. - CORRECT
ANSWER✔✔OSHA
Which of the following RX lenses should never be put into a Z87 frame? -
CORRECT ANSWER✔✔None of the above (not 2 mm nor 3 mm)
If your lensometer reads +.25 with no lens, a lens that measures -3.00 -1.50 x 180
is actually - CORRECT ANSWER✔✔-2.75 -1.50 x 180
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When verifying an ADD on a 1 piece bifocal with a lens clock, a +2.00 ADD would
clock _____ in the distance and _____ in the segment. - CORRECT
ANSWER✔✔+6.12, +8.12
What should you do when a consumer comes in and complains of severe eye
pain? - CORRECT ANSWER✔✔Refer them back to the eye doctor
The radius of curvature of a six diopter surface is - CORRECT ANSWER✔✔88.3 mm
The effect to the patient of a diopters of base up prism in each eye is - CORRECT
ANSWER✔✔No perceived vision
A condition that describes an inflammation of the eyelid margins is - CORRECT
ANSWER✔✔Blepharitis
A Reverse slab off should be applied to the lens with the most - CORRECT
ANSWER✔✔Plus
ABO-NCLE PRACTICAL EXAM QUESTIONS LATEST 2024-
2025 VERSION A, B AND C STUDY GUIDE ALL 300
QUESTIONS AND CORRECT ANSWERS
ABO-NCLE VERSION A
Which of the following conditions is indicated by the following RX:
O.D. +1.00 -1.00 x 180
O.S. -2.00 -.50 x 45 - CORRECT ANSWER✔✔Antimetropia
The loss of vision without any apparent defect to the eye is called - CORRECT
ANSWER✔✔Amblyopia
The ANSI cylinder tolerance for a -.25 cylinder is - CORRECT ANSWER✔✔Plus or
minus 7 degrees
Which of the following has no power in the 180 degree meridian? - CORRECT
ANSWER✔✔+2.00 -2.00 x 90
All specifications being equal which of the following materials will yield the
thinnest lens? - CORRECT ANSWER✔✔Polycarbonate
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If the right temple is angled up the effect on the frame will be to - CORRECT
ANSWER✔✔Lower the right side
If the adjustable pads on a metal frame are re-positioned downwards into the
bridge of the frame the resulting effect on the fit will be to - CORRECT
ANSWER✔✔Raise the front
Which recreational activity would be best suited with yellow lenses? - CORRECT
ANSWER✔✔Hunting
Bicentrec grinding is a term synonymous with - CORRECT ANSWER✔✔Slab off
If a patient is wearing a +12.00 diopter sphere and the adjustment is made to
move them closer to the eyes, what effect will that have on the effective power of
the lens? - CORRECT ANSWER✔✔Decrease the plus power
Which RX of the following is the same as the following RX: -3.00 +2.50 x 25 -
CORRECT ANSWER✔✔-.50 -2.50 x 115
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Given a material of unknown index and the speed of light within that material as
10100 miles per second. Compute the index of refraction for that material. -
CORRECT ANSWER✔✔1.62
Which of the following materials would make the safest lens in all circumstances?
- CORRECT ANSWER✔✔Polycarbonate
This agency is primarily concerned with safety in the workplace. - CORRECT
ANSWER✔✔OSHA
Which of the following RX lenses should never be put into a Z87 frame? -
CORRECT ANSWER✔✔None of the above (not 2 mm nor 3 mm)
If your lensometer reads +.25 with no lens, a lens that measures -3.00 -1.50 x 180
is actually - CORRECT ANSWER✔✔-2.75 -1.50 x 180
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When verifying an ADD on a 1 piece bifocal with a lens clock, a +2.00 ADD would
clock _____ in the distance and _____ in the segment. - CORRECT
ANSWER✔✔+6.12, +8.12
What should you do when a consumer comes in and complains of severe eye
pain? - CORRECT ANSWER✔✔Refer them back to the eye doctor
The radius of curvature of a six diopter surface is - CORRECT ANSWER✔✔88.3 mm
The effect to the patient of a diopters of base up prism in each eye is - CORRECT
ANSWER✔✔No perceived vision
A condition that describes an inflammation of the eyelid margins is - CORRECT
ANSWER✔✔Blepharitis
A Reverse slab off should be applied to the lens with the most - CORRECT
ANSWER✔✔Plus
