1|Page
ABO ADVANCED EXAM TEST BANK 2 LATEST 2025/2026 ACTUAL
EXAM WITH COMPLETE QUESTIONS AND CORRECT DETAILED
ANSWERS (100% VERIFIED ANSWERS) |ALREADY GRADED A+|
||PROFESSOR VERIFIED|| ||BRANDNEW!!!||
Which bifocals have the optical center for near vision in the
geometric center of the segment? - ANSWER-Round segment
Which bifocals have the optical center for near vision on the seg
line? - ANSWER-executive
The standard power for the intermediate portion of a trifocal is: -
ANSWER-50% of the add power
A scratch resistant coating placed on the surface of a CR-39
plastic lens makes the lens _____ times more resistant to
abrasion. - ANSWER-20
Which of the following lens treatments will reduce apparent edge
thickness on high minus lenses? - ANSWER-Edge polish
,2|Page
This type of bridge on a synthetic frame is designed to distribute
the weight equally on the sides of the bridge and the crest of the
nose. - ANSWER-saddle bridge
This type of bridge resembles a saddle bridge but is found on
metal frames - ANSWER-unfit bridge
This type of temple resembles a paddle and is the most popular
kind. - ANSWER-Skull temple
Metal temples that wrap around the ear are called: - ANSWER-
Comfort cables
What base curve would you select for the following RX?
OD -3.50 -1.00 x 075 - ANSWER-4.00
Regarding transposition, which of the following statements are
false. - ANSWER-Transposition changes the lens powers of the
prescription.
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Assuming an index of refraction of 1.530. Calculate the back
curve at the total power of the lens is -3.50D and the front curve is
+4.00 - ANSWER--7.50D
Calculate the smallest finished lens blank available to process this
job.
A= 55mm B=56mm DBL=15mm ED=56mm PD=60mm` -
ANSWER-66mm
All tools (laps) & lens curves are calculated with the following
index of refraction: - ANSWER-1.523
Calculate the radius of curvature for a 4.00D lens. - ANSWER-
.1325m
Calculate the dioptric value of a CR-39 lens with a radiud of
curvature of .645m. - ANSWER-.77D
Calculate the true power of a CR-39 lens with a marked power
+4.00D front curbe and a -6.00D inside curve. - ANSWER--1.88D
, 4|Page
Which of the following affect lens power? - ANSWER-Curvature,
Thickness, and index of refraction
For the following RX,determine the power at axis 60◦
RX -1.50 -2.00 x090 - ANSWER--2.00
Apical bearing, apical touch - ANSWER-The posterior lens
curvature resting on the corneal apex.
Apical, Apex - ANSWER-The extreme top or tip of a curve, e.g.
corneal apex.
(Apical clearance-lens fit steeper)
Ametropia - ANSWER-A refractive error in which the eye, when in
a state of rest, does not focus the image of an object upon the
retina; includes hyperopia, myopia, and astigmatism.
ABO ADVANCED EXAM TEST BANK 2 LATEST 2025/2026 ACTUAL
EXAM WITH COMPLETE QUESTIONS AND CORRECT DETAILED
ANSWERS (100% VERIFIED ANSWERS) |ALREADY GRADED A+|
||PROFESSOR VERIFIED|| ||BRANDNEW!!!||
Which bifocals have the optical center for near vision in the
geometric center of the segment? - ANSWER-Round segment
Which bifocals have the optical center for near vision on the seg
line? - ANSWER-executive
The standard power for the intermediate portion of a trifocal is: -
ANSWER-50% of the add power
A scratch resistant coating placed on the surface of a CR-39
plastic lens makes the lens _____ times more resistant to
abrasion. - ANSWER-20
Which of the following lens treatments will reduce apparent edge
thickness on high minus lenses? - ANSWER-Edge polish
,2|Page
This type of bridge on a synthetic frame is designed to distribute
the weight equally on the sides of the bridge and the crest of the
nose. - ANSWER-saddle bridge
This type of bridge resembles a saddle bridge but is found on
metal frames - ANSWER-unfit bridge
This type of temple resembles a paddle and is the most popular
kind. - ANSWER-Skull temple
Metal temples that wrap around the ear are called: - ANSWER-
Comfort cables
What base curve would you select for the following RX?
OD -3.50 -1.00 x 075 - ANSWER-4.00
Regarding transposition, which of the following statements are
false. - ANSWER-Transposition changes the lens powers of the
prescription.
,3|Page
Assuming an index of refraction of 1.530. Calculate the back
curve at the total power of the lens is -3.50D and the front curve is
+4.00 - ANSWER--7.50D
Calculate the smallest finished lens blank available to process this
job.
A= 55mm B=56mm DBL=15mm ED=56mm PD=60mm` -
ANSWER-66mm
All tools (laps) & lens curves are calculated with the following
index of refraction: - ANSWER-1.523
Calculate the radius of curvature for a 4.00D lens. - ANSWER-
.1325m
Calculate the dioptric value of a CR-39 lens with a radiud of
curvature of .645m. - ANSWER-.77D
Calculate the true power of a CR-39 lens with a marked power
+4.00D front curbe and a -6.00D inside curve. - ANSWER--1.88D
, 4|Page
Which of the following affect lens power? - ANSWER-Curvature,
Thickness, and index of refraction
For the following RX,determine the power at axis 60◦
RX -1.50 -2.00 x090 - ANSWER--2.00
Apical bearing, apical touch - ANSWER-The posterior lens
curvature resting on the corneal apex.
Apical, Apex - ANSWER-The extreme top or tip of a curve, e.g.
corneal apex.
(Apical clearance-lens fit steeper)
Ametropia - ANSWER-A refractive error in which the eye, when in
a state of rest, does not focus the image of an object upon the
retina; includes hyperopia, myopia, and astigmatism.
