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ABO EXAM PRE-TEST QUESTIONS WITH 100% CORRECT ANSWERS

When discussing thick lenses, the factors which are considered in computing the lens power are: a. front curve, thickness and index b. back curve, thickness and index c. front curve, back curve and thickness d. front curve, back curve, thickness and index - correct answer d. front curve, back curve, thickness and index Toric transposition shows: a. lens thickness b. power in principal meridians c. the power of the ADD d. the lens diameter - correct answer b. power in principal mer...

ABO Practice Test Exam Questions And Answers (Updated And Verified) When discussing thick lenses, the factors which are considered in computing the lens power are: a. front curve, thickness and index b. back curve, thickness and index c. front curve, back curve and thickness d. front curve, back curve, thickness and index - answerd. front curve, back curve, thickness and index Toric transposition shows: a. lens thickness b. power in principal meridians c. the power of the ADD d. the ...

ABO Exam Questions And Answers (Updated And Verified) When light is refraction by a prism it is: a. Bent toward the apex b, Bent toward the base c. Not bent d. Reflected - answerB. Bent toward the base A prism always bends light toward its base. Prisms: I. Always bend light toward the base II. Always bend light toward the apex III. Cause chromatic Dispersion IV. Move the image toward the apex V. Are sometimes prescribed for muscle problems - answerI. Always bend light toward base I...

ICE EXAM PART ONE Questions With 100% Correct Answers The wavelength of the infrared waves in the electromagnetic spectrum are - answerlonger than visible red light waves the Geneva Lens Measure is calibrated for a refractive index of - answer1.530 A lens made from 2 convex surfaces - answerhas against motion A lens reads +4.25D in the vertometer. If the ocular curve is -4.00D, what is the front base curve? - answer+8.25D Which of these front base curves would be suitable for a -300D men...

ABO EXAM PRE-TEST Exam Questions And Answers (Updated And Verified) 150 mm - answerWhen 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 - answerWhat is the focal length of a 2 diopter lens? A. 500 cm B. 39.37 inches C. 500 mm D. 2 meters Nanometers - answerWavelengths are measured in A. Meters B. Decimeters C. Centimeters D. Nanometers UVC - answerWhich of the following has the shortest and...

ABO Practice Questions And Answers (Updated And Verified) How do you lower the front of the frame? - answerMove nose pads further apart or increase pantoscopic tilt (2 degrees = 1mm) If the wearer complains that the glasses feel snug but still slip down the nose, one likely cause is that? - answerPressure is being applied by the temple shafts anterior to the ear. When the wearers PD is less than the frame PD what should you do? - answerPositive face form The new bifocal wearer must: - an...

ABO Practice Exam Questions And Answers (Updated And Verified) If the wearer complains of the bifocal line being somewhat in his way when driving, the problem may be alleviated by decreasing the distance between pads. True or False - answerFalse If the wearer complains that the glasses feel snug but still slip down the nose, one likely cause is that: A. The frame is too small B. The bridge fit is tight C. Pressure is being applied by the temple shafts anterior to the ear. D. Pressure i...

ABO Practical Exam Questions And Answers (Updated And Verified) Single Vision - answercorrects for one distance Multifocal - answerCorrects with two or more prescriptions (or 'powers') Bifocal - answerlens having two focus strengths Trifocal - answerpertaining to having three focus strengths Calculating Prismatic Effects - answerobtained at the center of an optical lens by producing a difference in edge thickness, either by grinding the back surface at an angle to the front surface dur...