ABO-NCLE EXAMINATION TEST Questions with Correct
Answers (Grade A+)
Question 1: The patient's RX is -1.75 -.50 x 120 with a +2.00 ADD standard trifocal. What is the power
through the intermediate?
Answer: -.75 -.50 x 120
Question 2: The Geneva lens measure is designed to measure.
Answer: Lens curvature
Question 3: The focal length of a +5.00 diopter lens is.
Answer: 20 cm
Question 4: The problem of prismatic imbalance at the reading level is called.
Answer: Anisometropia
Question 5: Which of the following indicated the most acute distance vision?
Answer: 20/15
Question 6: Which of the following is not a potential correction for vertical balance?
Answer: Vertex Compensation
Question 7: The ability of the eye to focus on objects at varying distances is known as.
Answer: Accomodation
Question 8: Anisekonia is due to.
Answer: Unequal size retinal images
Question 9: The corner of the eye where the upper and lower lids meet is the.
Answer: Canthus
Question 10: A ptosis crutch is used to.
Answer: Drooping lid
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, Question 11: In neutralizing a lens of unknown power your first reading is +1.00 the next reading that
focuses the cylinder target is -.25. What is the RX?
Answer: +1.00 -1.25
Question 12: A +2.00 lens decentered in 5 mm beyond the patient's measured pd will create.
Answer: 1 diopter base in prism
Question 13: Which of the following conditions is indicated by the following RX: O.D. +1.00 -1.00 x 180
O.S. -2.00 -.50 x 45.
Answer: Antimetropia
Question 14: The loss of vision without any apparent defect to the eye is called.
Answer: Amblyopia
Question 15: The ANSI cylinder tolerance for a -.25 cylinder is.
Answer: Plus or minus 7 degrees
Question 16: Which of the following has no power in the 180 degree meridian?
Answer: +2.00 -2.00 x 90
Question 17: All specifications being equal which of the following materials will yield the thinnest lens?
Answer: Polycarbonate
Question 18: If the right temple is angled up the effect on the frame will be to.
Answer: Lower the right side
Question 19: If the adjustable pads on a metal frame are re-positioned downwards into the bridge of
the frame the resulting effect on the fit will be to.
Answer: Raise the front
Question 20: Which recreational activity would be best suited with yellow lenses?
Answer: Hunting
Question 21: Bicentrec grinding is a term synonymous with.
Answer: Slab off
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Answers (Grade A+)
Question 1: The patient's RX is -1.75 -.50 x 120 with a +2.00 ADD standard trifocal. What is the power
through the intermediate?
Answer: -.75 -.50 x 120
Question 2: The Geneva lens measure is designed to measure.
Answer: Lens curvature
Question 3: The focal length of a +5.00 diopter lens is.
Answer: 20 cm
Question 4: The problem of prismatic imbalance at the reading level is called.
Answer: Anisometropia
Question 5: Which of the following indicated the most acute distance vision?
Answer: 20/15
Question 6: Which of the following is not a potential correction for vertical balance?
Answer: Vertex Compensation
Question 7: The ability of the eye to focus on objects at varying distances is known as.
Answer: Accomodation
Question 8: Anisekonia is due to.
Answer: Unequal size retinal images
Question 9: The corner of the eye where the upper and lower lids meet is the.
Answer: Canthus
Question 10: A ptosis crutch is used to.
Answer: Drooping lid
Page 1
, Question 11: In neutralizing a lens of unknown power your first reading is +1.00 the next reading that
focuses the cylinder target is -.25. What is the RX?
Answer: +1.00 -1.25
Question 12: A +2.00 lens decentered in 5 mm beyond the patient's measured pd will create.
Answer: 1 diopter base in prism
Question 13: Which of the following conditions is indicated by the following RX: O.D. +1.00 -1.00 x 180
O.S. -2.00 -.50 x 45.
Answer: Antimetropia
Question 14: The loss of vision without any apparent defect to the eye is called.
Answer: Amblyopia
Question 15: The ANSI cylinder tolerance for a -.25 cylinder is.
Answer: Plus or minus 7 degrees
Question 16: Which of the following has no power in the 180 degree meridian?
Answer: +2.00 -2.00 x 90
Question 17: All specifications being equal which of the following materials will yield the thinnest lens?
Answer: Polycarbonate
Question 18: If the right temple is angled up the effect on the frame will be to.
Answer: Lower the right side
Question 19: If the adjustable pads on a metal frame are re-positioned downwards into the bridge of
the frame the resulting effect on the fit will be to.
Answer: Raise the front
Question 20: Which recreational activity would be best suited with yellow lenses?
Answer: Hunting
Question 21: Bicentrec grinding is a term synonymous with.
Answer: Slab off
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