ABO NCLE EXAM QUESTIONS AND
ANSWERS GRADED A+ 2026
The refractive astigmatism indicated by the RX
+1.50 -1.75 x 35 is - ANS Mixed
The patient's RX is -1.75 -.50 x 120 with a +2.00 ADD standard trifocal. What is the power
through the intermediate? - ANS -.75 -.50 x 120
The Geneva lens measure is designed to measure - ANS Lens curvature
The focal length of a +5.00 diopter lens is - ANS 20 cm
The problem of prismatic imbalance at the reading level is called - ANS Anisometropia
Which of the following indicated the most acute distance vision? - ANS 20/15
Which of the following is not a potential correction for vertical balance? - ANS Vertex
Compensation
The ability of the eye to focus on objects at varying distances is known as -
ANS Accomodation
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
1
, Anisekonia is due to - ANS Unequal size retinal images
The corner of the eye where the upper and lower lids meet is the - ANS Canthus
A ptosis crutch is used to - ANS Drooping lid
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? - ANS +1.00 -1.25
A +2.00 lens decentered in 5 mm beyond the patient's measured pd will create - ANS 1
diopter base in prism
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 - ANS Antimetropia
The loss of vision without any apparent defect to the eye is called - ANS Amblyopia
The ANSI cylinder tolerance for a -.25 cylinder is - ANS Plus or minus 7 degrees
Which of the following has no power in the 180 degree meridian? - ANS +2.00 -2.00 x 90
All specifications being equal which of the following materials will yield the thinnest lens? -
ANS Polycarbonate
If the right temple is angled up the effect on the frame will be to - ANS Lower the right side
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
2
ANSWERS GRADED A+ 2026
The refractive astigmatism indicated by the RX
+1.50 -1.75 x 35 is - ANS Mixed
The patient's RX is -1.75 -.50 x 120 with a +2.00 ADD standard trifocal. What is the power
through the intermediate? - ANS -.75 -.50 x 120
The Geneva lens measure is designed to measure - ANS Lens curvature
The focal length of a +5.00 diopter lens is - ANS 20 cm
The problem of prismatic imbalance at the reading level is called - ANS Anisometropia
Which of the following indicated the most acute distance vision? - ANS 20/15
Which of the following is not a potential correction for vertical balance? - ANS Vertex
Compensation
The ability of the eye to focus on objects at varying distances is known as -
ANS Accomodation
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
1
, Anisekonia is due to - ANS Unequal size retinal images
The corner of the eye where the upper and lower lids meet is the - ANS Canthus
A ptosis crutch is used to - ANS Drooping lid
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? - ANS +1.00 -1.25
A +2.00 lens decentered in 5 mm beyond the patient's measured pd will create - ANS 1
diopter base in prism
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 - ANS Antimetropia
The loss of vision without any apparent defect to the eye is called - ANS Amblyopia
The ANSI cylinder tolerance for a -.25 cylinder is - ANS Plus or minus 7 degrees
Which of the following has no power in the 180 degree meridian? - ANS +2.00 -2.00 x 90
All specifications being equal which of the following materials will yield the thinnest lens? -
ANS Polycarbonate
If the right temple is angled up the effect on the frame will be to - ANS Lower the right side
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
2