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1. ASTM Answer: American Society for Testing Materials 2. Agency that set standards for sports related products such as eye protectors Answer: ASTM 3. Recommendation of ASTM involved in safety eyewear for sports Answer: Standard F803 4. ANSI Answer: Americ...
1. Optical instrument used to verify lens from a known Rx as well as neutralizing a lens from unknown Rx Answer: Lensometer 2. Part of a lensometer that must be first adjusted; power drum must be set to0 Answer: Adjustable eyepiece 3. Part of a lensometer...
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 box...
1. This lens design is used for the correction of presbyopia & are needed toreplace plus power which has been lost to the crystalline lens Answer: Bifocals 2. The power of the bifocal segment that is always plus Answer: Reading addition 3. The power of thi...
1. The speed of light in air divided by the speed of light in material Answer: Index ofrefraction 2. The weight in grams of one cubic centimeter of any given material Answer: Specific gravity 3. A relative measure of dispersion or color distortion of a len...
1. Radiation type of wavelengths shorter than 400 nm Answer: UV radiation 2. Division of UV radiation ranging from 290-200 nm & is extremely dangerous, absorbed by the ozone layer Answer: UV C 3. Division of UV radiation ranging from 320-290 nm & causing s...
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Document uploaden1. The extraocular muscles are inserted into the sclera and serve to rotate theeye in all possible directions.There are of these muscles in each eye. a. two b. four c. six d. eight Answer: c.six 2. The fibrous tunic is comprised of the: a. Iris and choroid...
1. When ordering a six inch temple,its corresponding millimeter value is whichof the following? A. 135 mm B. 140 mm C. 145 mm D. 150 mm Answer: 150 mm 2. What is the focal length of a 2 diopter lens? A. 500 cm B. 39.37 inches C. 500 mm D. 2 meters Answer:...
ABO Exam Pre-test Questions with Approved Answers | Latest 2023/2024 |Graded A+ ABO Exam Pre-test Questions with Approved Answers | Latest 2023/2024 |Graded A+ ABO Exam Pre-test Questions with Approved Answers | Latest 2023/2024 |Graded A+ ABO Exam Pre-tes...