ABO PRACTICAL EXAM UPDATED QUESTIONS
AND CORRECT ANSWERS COMPREHENSIVE
REVIEW
◉ The optical center of a lens is:
a) At the geometrical center
b) One the 180 line
c) At the point where the "a" and "b" measurement meet
d) A lens location of zero deviation of the optical axis.
Answer: d) A lens location of zero deviation of the optical axis
◉ The progressive power lens has a progressive zone after where
power:
a) Gradually increases
b) Of the cylindrical increases
c) Stays the same
d) Abruptly changes.
Answer: a) Gradually increases
,◉ Standard transmissions in sunlenses should range between
a) 10% and 30%
b) 15% and 30%
c) 10% and 25%
d) 15% and 25%.
Answer: b) 15% and 30%
◉ OC placement verification is important to ensure:
a) Accuracy of patient pd
b) Correct power of the add
c) That there is no unwanted prismatic effect
d) None of the above.
Answer: c) That there is no unwanted prismatic effect
◉ Materials that best produce polarized light by reflectance are
called:
a) Diatomic
b) Diametric
c) Dielectric
,d) Diabolical.
Answer: c) Dielectric
◉ Coating lenses by depositing a metallic film such as magnesium
floride on the surface of a finished lens is done for the following
reason:
a) Reducing light transmitted
b) Reducing reflections
c) Reducing weight
d) Reducing power.
Answer: b) Reducing reflections
◉ Aspheric lens surfaces are most commonly used with:
a) Lenses of low refractive power
b) Occluder lenses
c) High plus lenses
d) Sunglasses.
Answer: b) Occluder lenses
, ◉ The most commonly used prescription for correcting muscle
imbalance in a case of esotrophia would be:
a) Plus sphere
b) Minus cylinder
c) Base in prism
d) Base out prism.
Answer: d) Base out prism
◉ The use of multifocal lenses is associated with:
a) Presbyopia
b) Astigmatism
c) Phoria
d) Tropia.
Answer: a) Presbyopia
◉ When the optician advies the consumer as to the breakage of
lenses, the risk of injury should be described in terms of:
a) Impact resistance
b) Shatterproff
AND CORRECT ANSWERS COMPREHENSIVE
REVIEW
◉ The optical center of a lens is:
a) At the geometrical center
b) One the 180 line
c) At the point where the "a" and "b" measurement meet
d) A lens location of zero deviation of the optical axis.
Answer: d) A lens location of zero deviation of the optical axis
◉ The progressive power lens has a progressive zone after where
power:
a) Gradually increases
b) Of the cylindrical increases
c) Stays the same
d) Abruptly changes.
Answer: a) Gradually increases
,◉ Standard transmissions in sunlenses should range between
a) 10% and 30%
b) 15% and 30%
c) 10% and 25%
d) 15% and 25%.
Answer: b) 15% and 30%
◉ OC placement verification is important to ensure:
a) Accuracy of patient pd
b) Correct power of the add
c) That there is no unwanted prismatic effect
d) None of the above.
Answer: c) That there is no unwanted prismatic effect
◉ Materials that best produce polarized light by reflectance are
called:
a) Diatomic
b) Diametric
c) Dielectric
,d) Diabolical.
Answer: c) Dielectric
◉ Coating lenses by depositing a metallic film such as magnesium
floride on the surface of a finished lens is done for the following
reason:
a) Reducing light transmitted
b) Reducing reflections
c) Reducing weight
d) Reducing power.
Answer: b) Reducing reflections
◉ Aspheric lens surfaces are most commonly used with:
a) Lenses of low refractive power
b) Occluder lenses
c) High plus lenses
d) Sunglasses.
Answer: b) Occluder lenses
, ◉ The most commonly used prescription for correcting muscle
imbalance in a case of esotrophia would be:
a) Plus sphere
b) Minus cylinder
c) Base in prism
d) Base out prism.
Answer: d) Base out prism
◉ The use of multifocal lenses is associated with:
a) Presbyopia
b) Astigmatism
c) Phoria
d) Tropia.
Answer: a) Presbyopia
◉ When the optician advies the consumer as to the breakage of
lenses, the risk of injury should be described in terms of:
a) Impact resistance
b) Shatterproff
