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Optician's ABO Study Guide Exam
Questions And Answers 100% Pass
To widen the distance between the pads of a frame or mounting, bent the pad arms: -
ANS Outward/Angle the temples upward from the end pieces.
A reverse slab-off is molded with base _____ prism in the near portion of the lens. -
ANS Down
Multifocal height is usually determined by measuring from the: - ANS Lower edge of the lens.
If the pad arms are lengthened, this adjustment will: - ANS Push the front out more.
A semi-rimless mounting consists of: - ANS A center piece with lens bars connecting the end
pieces and temples.
An Rx with the O.D. minus and the O.S. plus is an obvious case of: - ANS Antimetropia
Hilite lenses have a refractive index of: - ANS 170
The most commonly used prescription for correcting muscle imbalance in exotropia would be: -
ANS Base in prism.
, ©EVERLY 2025 ALL RIGHTS RESERVED
A very good CR-39 lens commonly used in cataract case is a: - ANS Lenticular
The near point for both a hyperope and myope is: - ANS The front curve, thickness, vertex
distance.
The prism measurement indicator found in a vertometer or lensometer is called the: -
ANS Reticle
An opthalmic correction from an ametrope is to focus parallel incident light rays at the: -
ANS Far point of the eye.
What base curve is recommended when grinding a single vision glass lens Rx is: +6.50-
2.00x165? - ANS +10.00
Which formula accurately represents Prentice's Rule? - ANS Prism=Distance (cm) x Dioptric
Power/10
What type of visual error is indicated by the following Rx? Rx +2.00-100x90 - ANS Compound
hyperopic astigmatism
A pupillometer is used to measure the: - ANS Interpupillary distance
Astigmatism is corrected by the lens having: - ANS Cylinder power
Which base curve would be the best selection for Rx O.U. +3.00+0.50x90? - ANS +8.00D
What base curve would you believe good to use on the Rx: O.U. +3.00+0.50x90 - ANS +8.00
base
Optician's ABO Study Guide Exam
Questions And Answers 100% Pass
To widen the distance between the pads of a frame or mounting, bent the pad arms: -
ANS Outward/Angle the temples upward from the end pieces.
A reverse slab-off is molded with base _____ prism in the near portion of the lens. -
ANS Down
Multifocal height is usually determined by measuring from the: - ANS Lower edge of the lens.
If the pad arms are lengthened, this adjustment will: - ANS Push the front out more.
A semi-rimless mounting consists of: - ANS A center piece with lens bars connecting the end
pieces and temples.
An Rx with the O.D. minus and the O.S. plus is an obvious case of: - ANS Antimetropia
Hilite lenses have a refractive index of: - ANS 170
The most commonly used prescription for correcting muscle imbalance in exotropia would be: -
ANS Base in prism.
, ©EVERLY 2025 ALL RIGHTS RESERVED
A very good CR-39 lens commonly used in cataract case is a: - ANS Lenticular
The near point for both a hyperope and myope is: - ANS The front curve, thickness, vertex
distance.
The prism measurement indicator found in a vertometer or lensometer is called the: -
ANS Reticle
An opthalmic correction from an ametrope is to focus parallel incident light rays at the: -
ANS Far point of the eye.
What base curve is recommended when grinding a single vision glass lens Rx is: +6.50-
2.00x165? - ANS +10.00
Which formula accurately represents Prentice's Rule? - ANS Prism=Distance (cm) x Dioptric
Power/10
What type of visual error is indicated by the following Rx? Rx +2.00-100x90 - ANS Compound
hyperopic astigmatism
A pupillometer is used to measure the: - ANS Interpupillary distance
Astigmatism is corrected by the lens having: - ANS Cylinder power
Which base curve would be the best selection for Rx O.U. +3.00+0.50x90? - ANS +8.00D
What base curve would you believe good to use on the Rx: O.U. +3.00+0.50x90 - ANS +8.00
base
