ABO EXAM PRE TEST / ACTUAL ABO EXAM PRE TEST 2026/2027 ALL
COMPLETE 100 ACCURATE QUESTIONS WITH WELL ELABORATED
ANSWERS (CORRECT VERIFIED ANSWERS) NEWEST UPDATED
VERSION |GUARANTEED PASS A+ (BRAND NEW!) FULL REVISED
ABO PRE TEST
Which of the following glass lenses is a fused bifocal?
A. Executive
B. Progressive
C. Straight Top
D. Lute
Answer- Straight Top
The P.D. written on the order is mistakenly noted as 70mm, when the actual
measurement should be 66mm. What unwanted prism would be found if the
distance prescription is O.U. +5.00 sphere.
A. 1 diaper base out/each eye
B. 1 diaper base in/each eye
C. 2 diapers out/each eye
D. 2 diapers in/each eye
Answer- 1 diaper base out/each eye
If the RX is +2.00 -4.00 x45, it would be necessary to decenter the lens ______ to
create 1 diaper of base out prism.
A. 2mm
B. 4mm
,C. 6mm
D. Not possible
Answer-Not possible
The element in photo gray lenses that is responsible for the lightening and
darkening reaction is
A. Silver nitride
B. Ferrous oxide
C. Silver halide
D. Flint
Answer- Silver halide
Which of the following would provide the greatest benefit to a night driver?
A. Polaroid
B. Blue Blocker
C. Anti-reflective coating
D. Polycarbonate
Answer- Anti-reflective coating
A minus lens moved downward from the primary position will result in
A. Base up prismatic effect
B. Base down prismatic effect
C. Base in prismatic effect
,D. Base out prismatic effect
Answer- Base up prismatic effect
A patient refracted at 15mm is prescribed a -10.00 sphere. The dispenser finds that
the actual fitting distance will be at 10mm. What should the compensated lens
power be?
A. -9.50
B. -9.75
C. -10.75
D. -10.50
Answer- -9.50
A lens which reads +3.00 -2.00 x180 is decentered in 6mm too much. How much
horizontal prism is created by this error.
A. 1.8 diapers base in
B. 1.8 diapers base out
C. .6 diapers base in
D. .6 diapers base out
Answer- 1.8 diapers base in
If a pair of lenses are ground with diapers of base in prism in each lens, the patient
will experience
A. 4 diapers of prism base in
B. 2 diapers of prism base out
, C. No prism
D. None of the above
Answer- 4 diapers of prism base in
Given a lens with a focal length of 1000mm / determine the power of the lens.
A. One diaper
B. Five diapers
C. Ten diapers
D. One hundred diapers
Answer- One diaper
Which wavelengths of light have been indicated as contributors to the onset of
cataracts?
A. 700-800 nm
B. 400-550 nm
C. 300-380 nm
D. 100 - and below nm
Answer- 300-380mm
Compound Hyperopic
The refractive astigmatism indicated by the RX +1.50 -1.00 x 180 is
A. Compound Hyperopic
B. Mixed
COMPLETE 100 ACCURATE QUESTIONS WITH WELL ELABORATED
ANSWERS (CORRECT VERIFIED ANSWERS) NEWEST UPDATED
VERSION |GUARANTEED PASS A+ (BRAND NEW!) FULL REVISED
ABO PRE TEST
Which of the following glass lenses is a fused bifocal?
A. Executive
B. Progressive
C. Straight Top
D. Lute
Answer- Straight Top
The P.D. written on the order is mistakenly noted as 70mm, when the actual
measurement should be 66mm. What unwanted prism would be found if the
distance prescription is O.U. +5.00 sphere.
A. 1 diaper base out/each eye
B. 1 diaper base in/each eye
C. 2 diapers out/each eye
D. 2 diapers in/each eye
Answer- 1 diaper base out/each eye
If the RX is +2.00 -4.00 x45, it would be necessary to decenter the lens ______ to
create 1 diaper of base out prism.
A. 2mm
B. 4mm
,C. 6mm
D. Not possible
Answer-Not possible
The element in photo gray lenses that is responsible for the lightening and
darkening reaction is
A. Silver nitride
B. Ferrous oxide
C. Silver halide
D. Flint
Answer- Silver halide
Which of the following would provide the greatest benefit to a night driver?
A. Polaroid
B. Blue Blocker
C. Anti-reflective coating
D. Polycarbonate
Answer- Anti-reflective coating
A minus lens moved downward from the primary position will result in
A. Base up prismatic effect
B. Base down prismatic effect
C. Base in prismatic effect
,D. Base out prismatic effect
Answer- Base up prismatic effect
A patient refracted at 15mm is prescribed a -10.00 sphere. The dispenser finds that
the actual fitting distance will be at 10mm. What should the compensated lens
power be?
A. -9.50
B. -9.75
C. -10.75
D. -10.50
Answer- -9.50
A lens which reads +3.00 -2.00 x180 is decentered in 6mm too much. How much
horizontal prism is created by this error.
A. 1.8 diapers base in
B. 1.8 diapers base out
C. .6 diapers base in
D. .6 diapers base out
Answer- 1.8 diapers base in
If a pair of lenses are ground with diapers of base in prism in each lens, the patient
will experience
A. 4 diapers of prism base in
B. 2 diapers of prism base out
, C. No prism
D. None of the above
Answer- 4 diapers of prism base in
Given a lens with a focal length of 1000mm / determine the power of the lens.
A. One diaper
B. Five diapers
C. Ten diapers
D. One hundred diapers
Answer- One diaper
Which wavelengths of light have been indicated as contributors to the onset of
cataracts?
A. 700-800 nm
B. 400-550 nm
C. 300-380 nm
D. 100 - and below nm
Answer- 300-380mm
Compound Hyperopic
The refractive astigmatism indicated by the RX +1.50 -1.00 x 180 is
A. Compound Hyperopic
B. Mixed
