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ABO Advanced Actual Exam Newest 2025-2026 / ABO
Advanced Exam Preparation /ABO Advanced Practice
Exam With 500 Complete Questions And Correct Detailed
Answers |Already Graded A+|Brand New Version!!
Sagittal Value refers to the thickness of a minus lens with?
A. Power above 6 diopters
B. A zero center thickness
C. A zero edge thickness
D. A 1.5 nm center - ANSWER-B
A Sagittal value refers to the thickness of a plus lens with?
A. Power above 6 diopters
B. A zero center thickness
C. A zero edge thickness
D. A 1.5 nm center - ANSWER-C. A zero edge thickness
The Sagittal lens formula:
A. Does not apply to lenses with spherical curves
B. Only applies to lenses with spherical curves
C. Only applies to lenses with aspheric curves
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D. All of above - ANSWER-B. Only applies to lenses with spherical
curves
In a cylinder lens if the strongest meridian does not run exactly through
the E.D. Meridian the lens computation will:
A. Error on the advantageous side (predict lens to be slightly thicker
than actual)
B. Be if no value what so ever
C. Error on the disadvantageous side(predict lens to be slightly thinner
than actual)
D. Predict the thickness exactly. - ANSWER-A. Error on the
advantageous side (predict lens to be slightly thicker than actual)
In a plus lens with aspheric design the surface curvature:
A. Steepens
B. Remains the same over entire surface
C. Flattens from center to edge
D. Is always biconvex - ANSWER-C. Flattens from center to edge
Which of the following is a new type of aspheric lens design?
A. Progressive
B. Geometric
C. Optical
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D. Bitoric - ANSWER-D. Bitoric
The corrected curve theory is a method of maximizing optics when
using:
A. Spherical curves
B. Isobars
C. Vectors
D. Periscopic curves - ANSWER-A. Spherical curves
On a normal frame with 10 to 12° of pantoscopic tilt the optical center
should be located about:
A. On center pupil
B. 5mm above pupil
C. 5mm below pupil
D. 2mm higher than pupil height - ANSWER-C. 5 mm below pupil
Which of the following prescriptions would be reduced in thickness the
most using aspheric design?
A. High plus
B. Low plus
C. High minus
D. Low minus - ANSWER-A. High plus
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An uncut lens must be at least ______ mm in diameter to allow the
cutting of a 48 mm round lens, decentered 4 mm in.
a. 62
b. 56
c. 52
d. 50 - ANSWER-B. 56
In the boxing system the vertical measurement of the lens is known as? -
ANSWER-B measurement
In the boxing system the horizontal measurement of a lens is known as?
- ANSWER-A measurement
The tendency for light to bend more in the periphery of a lens than the
center is known as:
A. Chromatic aberration
B. Marginal astigmatism
C. Coma
D. Spherical aberration - ANSWER-D. Spherical aberration
It is generally desirable to maintain ocular side curves between:
A. Plano and -2.00
ABO Advanced Actual Exam Newest 2025-2026 / ABO
Advanced Exam Preparation /ABO Advanced Practice
Exam With 500 Complete Questions And Correct Detailed
Answers |Already Graded A+|Brand New Version!!
Sagittal Value refers to the thickness of a minus lens with?
A. Power above 6 diopters
B. A zero center thickness
C. A zero edge thickness
D. A 1.5 nm center - ANSWER-B
A Sagittal value refers to the thickness of a plus lens with?
A. Power above 6 diopters
B. A zero center thickness
C. A zero edge thickness
D. A 1.5 nm center - ANSWER-C. A zero edge thickness
The Sagittal lens formula:
A. Does not apply to lenses with spherical curves
B. Only applies to lenses with spherical curves
C. Only applies to lenses with aspheric curves
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D. All of above - ANSWER-B. Only applies to lenses with spherical
curves
In a cylinder lens if the strongest meridian does not run exactly through
the E.D. Meridian the lens computation will:
A. Error on the advantageous side (predict lens to be slightly thicker
than actual)
B. Be if no value what so ever
C. Error on the disadvantageous side(predict lens to be slightly thinner
than actual)
D. Predict the thickness exactly. - ANSWER-A. Error on the
advantageous side (predict lens to be slightly thicker than actual)
In a plus lens with aspheric design the surface curvature:
A. Steepens
B. Remains the same over entire surface
C. Flattens from center to edge
D. Is always biconvex - ANSWER-C. Flattens from center to edge
Which of the following is a new type of aspheric lens design?
A. Progressive
B. Geometric
C. Optical
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D. Bitoric - ANSWER-D. Bitoric
The corrected curve theory is a method of maximizing optics when
using:
A. Spherical curves
B. Isobars
C. Vectors
D. Periscopic curves - ANSWER-A. Spherical curves
On a normal frame with 10 to 12° of pantoscopic tilt the optical center
should be located about:
A. On center pupil
B. 5mm above pupil
C. 5mm below pupil
D. 2mm higher than pupil height - ANSWER-C. 5 mm below pupil
Which of the following prescriptions would be reduced in thickness the
most using aspheric design?
A. High plus
B. Low plus
C. High minus
D. Low minus - ANSWER-A. High plus
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An uncut lens must be at least ______ mm in diameter to allow the
cutting of a 48 mm round lens, decentered 4 mm in.
a. 62
b. 56
c. 52
d. 50 - ANSWER-B. 56
In the boxing system the vertical measurement of the lens is known as? -
ANSWER-B measurement
In the boxing system the horizontal measurement of a lens is known as?
- ANSWER-A measurement
The tendency for light to bend more in the periphery of a lens than the
center is known as:
A. Chromatic aberration
B. Marginal astigmatism
C. Coma
D. Spherical aberration - ANSWER-D. Spherical aberration
It is generally desirable to maintain ocular side curves between:
A. Plano and -2.00
