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ABO EXAM PRE-TEST QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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ABO EXAM PRE-TEST QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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ABO EXAM PRE-TEST QUESTIONS ANDANSWERS WITH SOLUTIONS 2024
150 mm - 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 - 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 - ANSWER Wavelengths are measured in
A. Meters
B. Decimeters
C. Centimeters
D. Nanometers
UVC - ANSWER Which of the following has the shortest and therefore most harmful wavelength?
A. UVC
B. UVB
C. UVA
D. INFRARED
Compound one another - 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
Plus or minus 3 degrees - 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 - 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 - 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% - ANSWER An uncoated normal plastic lens will reflect approximately ______% of light.
A. 2%
B. 4%
C. 8%
D. 12%
, Biconcave - ANSWER A lens having a minus curve on both front and back is called
A. Toric
B. Meniscus
C. Biconvex
D. Biconcave
50% - ANSWER Give the RX +1.00 +1.00 x 45, how much of the +1.00 cylinder is in the effect at axis 90?
A. 100%
B. 70%
C. 50%
D. 0
97% if its power - 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 - ANSWER The type of patient often bothered by large magnified eye look is a
A. Myope
B. Persbyope
C. Hyperope
D. Emmetrope
Size - ANSWER A Box O graph is used to measure lenses for
A. Axis
B. Power
C. Thickness
D. Size
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