ABO EXAM PRE-TEST QUESTIONS WITH CORRECT ANSWERS|100% verified|16 pages

ABO EXAM PRE-TEST QUESTIONS WITH CORRECT ANSWERS 150 mm CORRECT ANSWER When ordering a six-inch temple, its corresponding millimeter value is which of the following? A. 135 mm B. 140 mm C. 145 mm D. 150 mm 500 mm CORRECT ANSWER What is the focal length of a 2 diopter lens? A. 500 cm B. 39.37 inches C. 500 mm D. 2 meters Nanometers CORRECT ANSWER Wavelengths are measured in A. Meters B. Decimeters C. Centimeters D. Nanometers UVC CORRECT ANSWER Which of the following has the shortest and therefore most harmful wavelength? A. UVC B. UVB C. UVA D. INFRARED Compound one another CORRECT ANSWER When two light waves are in "in phase" they will A. Destroy on another B. Reduce each front by half C. Compound one another D. None of the above Plus, or minus 3 degrees CORRECT ANSWER The cylinder axis tolerance for a 1.00D cylinder according to ANSI Z80.1 is A. Plus or minus 7 degrees B. Plus or minus 5 degrees C. Plus or minus 3 degrees D. Plus or minus 2 degrees Thicker temporally CORRECT ANSWER A plus lens decentered "out" will result in a finished lens which is A. Balanced B. Thicker temporally C. Thicker nasally D. Uniform in edge thickness Thicker nasally CORRECT ANSWER A minus lens decentered "out" will result in a finished lens which is A. Balanced B. Thicker temporally C. Thicker nasally D. Uniform in edge thickness 8% CORRECT ANSWER An uncoated normal plastic lens will reflect approximately ______% of light. A. 2% B. 4% C. 8% D. 12% Biconcave CORRECT ANSWER A lens having a minus curve on both front and back is called A. Toric B. Meniscus C. Biconvex D. Biconcave 50% CORRECT ANSWER Give the RX +1.00 +1.00 x 45, how much of the +1.00 cylinder is in the effect at axis 90? A. 100% B. 70% C. 50% D. 0