ABO EXAM PRE-TEST Questions with correct answers

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

,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?

, 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