ABO EXAM PRE-TEST STUDY GUIDE (VERRIFIED SOLUTIONS)

ABO EXAM PRE-TEST STUDY GUIDE (VERRIFIED SOLUTIONS) 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 wavesw 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 97% if its power - CORRECT ANSWER-80 degrees from the specified axis, a cylinder will show A. 5% of its power B. 10% of its power C. 50% of its power D. 97% of its power Hyperope - CORRECT ANSWER-The type of patient often bothered by large magnified eye look is a A. Myope B. Persbyope C. Hyperope D. Emmetrope Size - CORRECT ANSWER-A Box O graph is used to measure lenses for A. Axis B. Power C. Thickness D. Size Double D - CORRECT ANSWER-A presbyopic electrician that works on overhead wiring would benefit most from A. Executive bifocal B. Near only readers C. Double D D. Round Segment Round segment rotated to the temporal side of the lens - CORRECT ANSWER-A presbyopic golfer, when addressing the ball, is troubled by the placement of this normal bifocal. Which of the following would pose the best solution as a recreational golf glasses? A. Executive bifocal fit 1mm lower than standard B. Double D C. Quadrifocal D. Round segment rotated to the temporal side of the lens Internal Rotator - CORRECT ANSWER-Which of the following is NOT one of the 6 muscles responsible for the movement of the eye? A. Superior Rectus B. Inferior Rectus C. Internal Rotator D. Inferior Oblique 1.523 - CORRECT ANSWER-The index of refraction of spectacle crown glass is A. 1.49 B. 1.523 C. 1.53 D. 1.59 Straight Top - CORRECT ANSWER-Whch of the following glass lenses is a fused bifocal? A. Executive B. Progressive C. Straight Top D. Ultex