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ABO EXAM PRE-TEST QUIZ AND ANSWERS.
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ABO EXAM PRE-TEST QUIZ AND ANSWERS.
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ABO EXAM PRE-TEST QUIZ ANDANSWERS
150 mm - correct answers: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 answers: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 answers:Wavelengths are measured in
A. Meters
B. Decimeters
C. Centimeters
D. Nanometers
UVC - correct answers:Which of the following has the shortest and therefore most harmful wavelength?
A. UVC
B. UVB
C. UVA
D. INFRARED
Compound one another - correct answers: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 - correct answers: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 answers: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 answers: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 answers:An uncoated normal plastic lens will reflect approximately ______% of light.
A. 2%
B. 4%
C. 8%
D. 12%
, Biconcave - correct answers:A lens having a minus curve on both front and back is called
A. Toric
B. Meniscus
C. Biconvex
D. Biconcave
50% - correct answers: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 - correct answers: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 answers:The type of patient often bothered by large magnified eye look is a
A. Myope
B. Persbyope
C. Hyperope
D. Emmetrope
Size - correct answers:A Box O graph is used to measure lenses for
A. Axis
B. Power
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