2024 ABO Exams Set ( Exam 1, 2, PreTest, Practical Exam, Exam Prep Part 1 - 8 ) | New Full Exam Questions and Answers ( Included ) 2024 ABO Exams Set ( Exam 1, 2, PreTest, Practical Exam, Exam Prep Part 1 - 8 ) | New Full Exam Questions and Answers ( Included )2024 ABO Exams Set ( Exam 1, 2, PreTest, Practical Exam, Exam Prep Part 1 - 8 ) | New Full Exam Questions and Answers ( Included )2024 ABO Exams Set ( Exam 1, 2, PreTest, Practical Exam, Exam Prep Part 1 - 8 ) | New Full Exam Questions and Answers ( Included )
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1. 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 ch...
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 ...
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. The extra-ocular muscles are inserted into the sclera and serve to rotate theeye in all possible directions.There are of these muscles. Answer: Six 2. The fibrous tunic is comprised of the: Answer: Sclera and cornea 3. Fusion occurs: Answer: In the br...
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 ...
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 th...
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 ...
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 lensomete...
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: Ame...
1. Cancelling effect- subtract prism amounts Answer: BU/BUBD/BD BI/BO 2. Powers between 0.00 & +/- 3.00 Answer: Read in 1/8 diopters 3. Lensometer is also referred to as Answer: Lensmeter, focimeter, vertometer 4. To focus eyepiece Answer: 1) while tur...
1. Change a bifocal Rx to a single vision Rx Answer: Add the bifocal power to the spherepowers. OD: -0.50 OS: -0.25-0.25x172 Add: +1.75 Turnsinto-OD: +1.25 OS: +1.50-0.25x172 2. Anisometropia Answer: There is a difference of 3 diopters between both eye...
1. To determine the power of a thin lens in air, it is necessary to consider: A. front curve and index of refraction B. back curve and index of refraction C. index of refraction only D. front curve, back curve and index of refraction Answer: D.front curve...