2024 ABO Exam Prep Part 6 - Opthalmic Frames New Full Exam Questions and Answers ( Included ) 100% Correct

2024 ABO Exam Prep Part 6 - Opthalmic Frames New Full Exam Questions and Answers ( Included ) 100% Correct 1. Most ophthalmic frames today are measured utilizing the boxing system of measurement. In this system the B measurement represents the . A. lens difference B. the lens width C. the lens depth D. the effective diameter Answer: C. the lens depth 2. The boxing method of measurement is especially useful since it can accu-rately locate the of the lens. A. geometric center B. optical center C. primary focal point D. principal axis Answer: A. geometric center 3. A certain patient is found to have a monocular PD measuring R: 31 mm andL 33 mm. The box measurement of the frame selected equals 52 / 18. Locate the major reference points (MRPs) for each eye. A. R= 4mm in L= 2mm in B. R= 2mm in L=4mm in C. R=2mm out L=2 mm out D. R=5mm in L=3 mm in Answer: A. R=4 mm in L=2mm in 4. When measuring a frame, the term DBL is used to mean? A. temple length B. effective diameter C. the least distance between the geometric center of the frame D. the least distance between the lenses Answer: D.the least distance between the lenses