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ABO EXAM PRE-TEST
150 mm - CORRECT ANSWER-When ordering a six inch temple, its
corresponding millimeter value is which of the following?
A. 135 mm
B. 140 mm
C. 145 mm
D. 150 mm
500 mm - CORRECT ANSWER-What is the focal length of a 2 diopter lens?
A. 500 cm
B. 39.37 inches
C. 500 mm
D. 2 meters
Nanometers - CORRECT ANSWER-Wavelengths are measured in
A. Meters
B. Decimeters
C. Centimeters
D. Nanometers
UVC - CORRECT ANSWER-Which of the following has the shortest and
therefore most harmful wavelength?
A. UVC
B. UVB
C. UVA
D. INFRARED
Compound one another - CORRECT ANSWER-When two light wavesw are in "in
phase" they will
A. Destroy on another
B. Reduce each front by half
C. Compound one another
D. None of the above
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Plus or minus 3 degrees - CORRECT ANSWER-The cylinder axis tolerance for a
1.00D cylinder according to ANSI Z80.1 is
A. Plus or minus 7 degrees
B. Plus or minus 5 degrees
C. Plus or minus 3 degrees
D. Plus or minus 2 degrees
Thicker temporally - CORRECT ANSWER-A plus lens decentered "out" will result
in a finished lens which is
A. Balanced
B. Thicker temporally
C. Thicker nasally
D. Uniform in edge thickness
Thicker nasally - CORRECT ANSWER-A minus lens decentered "out" will result
in a finished lens which is
A. Balanced
B. Thicker temporally
C. Thicker nasally
D. Uniform in edge thickness
8% - CORRECT ANSWER-An uncoated normal plastic lens will reflect
approximately ______% of light.
A. 2%
B. 4%
C. 8%
D. 12%
Biconcave - CORRECT ANSWER-A lens having a minus curve on both front and
back is called
A. Toric
B. Meniscus
C. Biconvex
D. Biconcave
50% - CORRECT ANSWER-Give the RX +1.00 +1.00 x 45, how much of the
+1.00 cylinder is in the effect at axis 90?
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A. 100%
B. 70%
C. 50%
D. 0
97% if its power - CORRECT ANSWER-80 degrees from the specified axis, a
cylinder will show
A. 5% of its power
B. 10% of its power
C. 50% of its power
D. 97% of its power
Hyperope - CORRECT ANSWER-The type of patient often bothered by large
magnified eye look is a
A. Myope
B. Persbyope
C. Hyperope
D. Emmetrope
Size - CORRECT ANSWER-A Box O graph is used to measure lenses for
A. Axis
B. Power
C. Thickness
D. Size
Double D - CORRECT ANSWER-A presbyopic electrician that works on
overhead wiring would benefit most from
A. Executive bifocal
B. Near only readers
C. Double D
D. Round Segment
Round segment rotated to the temporal side of the lens - CORRECT ANSWER-A
presbyopic golfer, when addressing the ball, is troubled by the placement of this
normal bifocal. Which of the following would pose the best solution as a
recreational golf glasses?
A. Executive bifocal fit 1mm lower
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than standard
B. Double D
C. Quadrifocal
D. Round segment rotated to the temporal side of the lens
Internal Rotator - CORRECT ANSWER-Which of the following is NOT one of the
6 muscles responsible for the movement of the eye?
A. Superior Rectus
B. Inferior Rectus
C. Internal Rotator
D. Inferior Oblique
1.523 - CORRECT ANSWER-The index of refraction of spectacle crown glass is
A. 1.49
B. 1.523
C. 1.53
D. 1.59
Straight Top - CORRECT ANSWER-Whch of the following glass lenses is a
fused bifocal?
A. Executive
B. Progressive
C. Straight Top
D. Ultex
1 diapter base out/each eye - CORRECT ANSWER-The P.D. written on the order
is mistakenly noted as 70mm, when the actual measurement should be 66mm.
What unwanted prism would be found if the distance prescription is O.U. +5.00
shpere.
A. 1 diapter base out/each eye
B. 1 diapter base in/each eye
C. 2 diapters out/each eye
D. 2 diapters in/each eye
Not possible - CORRECT ANSWER-If the RX is +2.00 -4.00 x45, it would be
necessary to decenter the lens ______ to create 1 diapter of base out prism.
A. 2mm
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ABO EXAM PRE-TEST
150 mm - CORRECT ANSWER-When ordering a six inch temple, its
corresponding millimeter value is which of the following?
A. 135 mm
B. 140 mm
C. 145 mm
D. 150 mm
500 mm - CORRECT ANSWER-What is the focal length of a 2 diopter lens?
A. 500 cm
B. 39.37 inches
C. 500 mm
D. 2 meters
Nanometers - CORRECT ANSWER-Wavelengths are measured in
A. Meters
B. Decimeters
C. Centimeters
D. Nanometers
UVC - CORRECT ANSWER-Which of the following has the shortest and
therefore most harmful wavelength?
A. UVC
B. UVB
C. UVA
D. INFRARED
Compound one another - CORRECT ANSWER-When two light wavesw are in "in
phase" they will
A. Destroy on another
B. Reduce each front by half
C. Compound one another
D. None of the above
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Plus or minus 3 degrees - CORRECT ANSWER-The cylinder axis tolerance for a
1.00D cylinder according to ANSI Z80.1 is
A. Plus or minus 7 degrees
B. Plus or minus 5 degrees
C. Plus or minus 3 degrees
D. Plus or minus 2 degrees
Thicker temporally - CORRECT ANSWER-A plus lens decentered "out" will result
in a finished lens which is
A. Balanced
B. Thicker temporally
C. Thicker nasally
D. Uniform in edge thickness
Thicker nasally - CORRECT ANSWER-A minus lens decentered "out" will result
in a finished lens which is
A. Balanced
B. Thicker temporally
C. Thicker nasally
D. Uniform in edge thickness
8% - CORRECT ANSWER-An uncoated normal plastic lens will reflect
approximately ______% of light.
A. 2%
B. 4%
C. 8%
D. 12%
Biconcave - CORRECT ANSWER-A lens having a minus curve on both front and
back is called
A. Toric
B. Meniscus
C. Biconvex
D. Biconcave
50% - CORRECT ANSWER-Give the RX +1.00 +1.00 x 45, how much of the
+1.00 cylinder is in the effect at axis 90?
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A. 100%
B. 70%
C. 50%
D. 0
97% if its power - CORRECT ANSWER-80 degrees from the specified axis, a
cylinder will show
A. 5% of its power
B. 10% of its power
C. 50% of its power
D. 97% of its power
Hyperope - CORRECT ANSWER-The type of patient often bothered by large
magnified eye look is a
A. Myope
B. Persbyope
C. Hyperope
D. Emmetrope
Size - CORRECT ANSWER-A Box O graph is used to measure lenses for
A. Axis
B. Power
C. Thickness
D. Size
Double D - CORRECT ANSWER-A presbyopic electrician that works on
overhead wiring would benefit most from
A. Executive bifocal
B. Near only readers
C. Double D
D. Round Segment
Round segment rotated to the temporal side of the lens - CORRECT ANSWER-A
presbyopic golfer, when addressing the ball, is troubled by the placement of this
normal bifocal. Which of the following would pose the best solution as a
recreational golf glasses?
A. Executive bifocal fit 1mm lower
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than standard
B. Double D
C. Quadrifocal
D. Round segment rotated to the temporal side of the lens
Internal Rotator - CORRECT ANSWER-Which of the following is NOT one of the
6 muscles responsible for the movement of the eye?
A. Superior Rectus
B. Inferior Rectus
C. Internal Rotator
D. Inferior Oblique
1.523 - CORRECT ANSWER-The index of refraction of spectacle crown glass is
A. 1.49
B. 1.523
C. 1.53
D. 1.59
Straight Top - CORRECT ANSWER-Whch of the following glass lenses is a
fused bifocal?
A. Executive
B. Progressive
C. Straight Top
D. Ultex
1 diapter base out/each eye - CORRECT ANSWER-The P.D. written on the order
is mistakenly noted as 70mm, when the actual measurement should be 66mm.
What unwanted prism would be found if the distance prescription is O.U. +5.00
shpere.
A. 1 diapter base out/each eye
B. 1 diapter base in/each eye
C. 2 diapters out/each eye
D. 2 diapters in/each eye
Not possible - CORRECT ANSWER-If the RX is +2.00 -4.00 x45, it would be
necessary to decenter the lens ______ to create 1 diapter of base out prism.
A. 2mm
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