ABO EXAM PRE-TEST
150 mm - - - 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 - - - What is the focal length of a 2 di
...
ABO EXAM PRE-TEST
150 mm - - - 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 - - - What is the focal length of a 2 diopter lens?
A. 500 cm
B. 39.37 inches
C. 500 mm
D. 2 meters
Nanometers - - - Wavelengths are measured in
A. Meters
B. Decimeters
C. Centimeters
D. Nanometers
UVC - - - Which of the following has the shortest and therefore most harmful wavelength?
A. UVC
B. UVB
C. UVA
D. INFRARED
Compound one another - - - 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 - - - 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 - - - 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 - - - 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% - - - An uncoated normal plastic lens will reflect approximately ______% of light.
A. 2%
B. 4%
C. 8%
D. 12%
Biconcave - - - A lens having a minus curve on both front and back is called
A. Toric
B. Meniscus
C. Biconvex
D. Biconcave
50% - - - 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 - - - 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 - - - The type of patient often bothered by large magnified eye look is a
A. Myope
B. Persbyope
C. Hyperope
D. Emmetrope
Size - - - A Box O graph is used to measure lenses for
A. Axis
B. Power
C. Thickness
D. Size
Double D - - - 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 - - - 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
than standard
B. Double D
C. Quadrifocal
D. Round segment rotated to the temporal side of the lens
Internal Rotator - - - 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 - - - The index of refraction of spectacle crown glass is
A. 1.49
B. 1.523
C. 1.53
D. 1.59
Straight Top - - - 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 - - - The P.D. written on the order is mistakenly noted as 70mm,
when the actual measurement should be 66m
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