ABO 2023 Exam Questions with Correct Answers

ABO 2023 Exam Questions with Correct Answers Visable spectrum of light - Answer-380 nm - 760 nm Amplitude - Answer-Vertical distance from trough to crest ASIM - Answer-American Society of Testing Materials ANSI - Answer-American National Standards Institute OSHA - Answer-Occupational Safety and Health Administration FDA - Answer-Food and Drug Administration FTC - Answer-Federal Trade Commission Inverted triangle/diamond - Answer-Unobtrusive frame, light or medium weight frame, lighter color, rounded lens shape, delicate characteristics of frame for women Base down triangular - Answer-Fit size to largest part of lower facial area, dark colors or bolder look Round/square - Answer-Narrow frame, high temple attachment Oblong - Answer-Deep frame, low temple attachment Oval - Answer-Many wear most any type Trivex - Answer-Pros: better optical quality than poly, impact resistant, tintable, lightest material on market, uv protection, high tensile strength Cons: susceptible to scratch Trivex Index of Refraction - Answer-1.53 Hi-index - Answer-Pros: thinner and lighter than glass and plastic, better optical quality than poly Cons: susceptible to scratch, high chromatic abberation Hi-index Index of Refraction - Answer-1.60, 1.66, 1.70 Hi-index Abbe - Answer-42 (1.60), 32 (1.66) Polycarbonate - Answer-Pros: thinner and lighter than glass and plastic, highly impact resistant, inherent uv protection Cons: poor optical quality, susceptible to scratch, susceptible to stress fractures in drill mount, doesn't readily accept tint Polycarbonate index of refraction - Answer-1.59