ABO Practice Test Questions and Answers

ABO Practice Test Questions and
Answers15

A lens reads +2.25 in the lensometer. If the ocular curve is -6.00, what is the anterior curve?

A. +2.25

B. +6.25

C. +8.25

D. +10.25 - ANSWERS-C. +8.25



Which of the following UV areas is completely absorbed by the atmosphere?

A. UVA

B. UVB

C. UVC

D. UVD - ANSWERS-C. UVC



Which of the following frame materials is used most often in sports frames due to its resistance
to breakage?

A. optyl

B. propionate

C. acetate

D. polycarbonate - ANSWERS-D. polycarbonate



Of the following frame materials, which one exhibits the best "shape memory" when heated?

A. carbon

B. optyl

, C. nylon

D. aluminum - ANSWERS-B. optyl



An applicable standard covering sports-related eyewear products was developed by

A. ANSI

B. ASTM

C. FDA

D. FTC - ANSWERS-B. ASTM



What is the most common source of Allegations of Negligence for opticians?

A. failure to prescribe lens material of choice

B. failure to warn of danger of breakage

C. failure to verify and inspect

D. all of the above - ANSWERS-D. all of the above



According to the FDA, what are the specifications of the drop ball test for dress lenses?

A. a 5/8 inch diameter steel ball, weighing 0.58 ounce, dropped 60 inches

B. a 3/4 inch diameter steel ball, weighing 0.58 ounce, dropped 50 inches

C. a 1.00 inch diameter steel ball, weighing 0.56 ounce, dropped 60 inches

D. a 5/8 inch diameter steel ball, weighing 0.56 ounce, dropped 50 inches - ANSWERS-D. a 5/8
inch diameter steel ball, weighing 0.56 ounce, dropped 50 inches



Light rays passing through a prism are deviated:

A. toward the apex

B. upward

C. toward the base