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ABO NCLE EXAM 2026
QUESTIONS AND ANSWERS|
ACE YOUR GRADES.
A plus lens decentered "out" will result in a finished lens which is -
correct answer -Thicker temporally
A minus lens decentered "out" will result in a finished lens which
is - correct answer -Thicker nasally
An uncoated normal plastic lens will reflect approximately ___%
of light. - correct answer -8%
A lens having a minus curve on both front and back is called -
correct answer -Biconcave
Give the RX +1.00 +1.00 x 45, how much of the +1.00 cylinder is
in effect at axis 90? - correct answer -50%
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80 degrees from specified axis, a cylinder will show - correct
answer -97% of its power
The type of patient often bothered by large magnified eye look is
a - correct answer -Hyperope
A Box-o-graph is used to measure lenses for - correct answer -
Size
A presbyopic electrician that works on overhead wiring would
benefit most from - correct answer -Double D
A presbyopic golfer, when addressing the ball, is troubled by the
placement of the normal bifocal. Which of the following would
pose the best solution as a recreational golf glasses? - correct
answer -Round segment rotated to the temporal side of the lens.
Which of the following is NOT one of the 6 muscles responsible
for the movement of the eye? - correct answer -Internal rotator
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The index of refraction of spectacle crown glass is - correct
answer -1.523
Which of the following glass lenses is a fused bifocal? - correct
answer -Straight top
The P.D. written on the order is mistakenly noted as 70 mm, when
the actual measurement should be 66 mm. What unwanted prism
would be found if the distance prescription is O.V. +5.00 sphere?
- correct answer -1 diapter base out/each eye
If the RX is +2.00 -4.00 x 45, it would be necessary to decenter
the lens ___ to create 1 diaptor of base out prism. - correct
answer -Not possible
The element in photogray lenses that is responsible for the
lightening and darkening reaction is? - correct answer -Silver
halide
ABO NCLE EXAM 2026
QUESTIONS AND ANSWERS|
ACE YOUR GRADES.
A plus lens decentered "out" will result in a finished lens which is -
correct answer -Thicker temporally
A minus lens decentered "out" will result in a finished lens which
is - correct answer -Thicker nasally
An uncoated normal plastic lens will reflect approximately ___%
of light. - correct answer -8%
A lens having a minus curve on both front and back is called -
correct answer -Biconcave
Give the RX +1.00 +1.00 x 45, how much of the +1.00 cylinder is
in effect at axis 90? - correct answer -50%
, Page | 2
80 degrees from specified axis, a cylinder will show - correct
answer -97% of its power
The type of patient often bothered by large magnified eye look is
a - correct answer -Hyperope
A Box-o-graph is used to measure lenses for - correct answer -
Size
A presbyopic electrician that works on overhead wiring would
benefit most from - correct answer -Double D
A presbyopic golfer, when addressing the ball, is troubled by the
placement of the normal bifocal. Which of the following would
pose the best solution as a recreational golf glasses? - correct
answer -Round segment rotated to the temporal side of the lens.
Which of the following is NOT one of the 6 muscles responsible
for the movement of the eye? - correct answer -Internal rotator
, Page | 3
The index of refraction of spectacle crown glass is - correct
answer -1.523
Which of the following glass lenses is a fused bifocal? - correct
answer -Straight top
The P.D. written on the order is mistakenly noted as 70 mm, when
the actual measurement should be 66 mm. What unwanted prism
would be found if the distance prescription is O.V. +5.00 sphere?
- correct answer -1 diapter base out/each eye
If the RX is +2.00 -4.00 x 45, it would be necessary to decenter
the lens ___ to create 1 diaptor of base out prism. - correct
answer -Not possible
The element in photogray lenses that is responsible for the
lightening and darkening reaction is? - correct answer -Silver
halide
