Study guides, Class notes & Summaries

ABO Exam Questions And Answers, With Complete Verified Solution, 2023/2024 The extra-ocular muscles are inserted into the sclera and serve to rotate the eye in all possible directions. There are _______of these muscles. Six The fibrous tunic is comprised of the: Sclera and cornea Fusion occurs: In the brain The aqueous fluid is continually being manufactured by: The ciliary body The ability of the eye to bring objects of varying distances to focus on the retina is known as: Accommoda...

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...

ABO PRACTICE 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 ...

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...

ABO STUDY GUIDE 2024/2025 Prentice Rule - ️️ - (Power x distance in mm) /10 Cornea index of refraction - ️️ - 1.37 Tear Film, Vitreous index of refraction - ️️ - 1.33 Crystalline lens index of refraction - ️️ - 1.42 Optical Standard index of refraction - ️️ - 1.53 Crown Glass index of refraction - ️️ - 1.523 High index of refraction - ️️ - 1.74 CR-39 index of refraction - ️️ - 1.49/1.50 Poly index of refraction - ️️ - 1.586 Air - ️️ - 1.00 How f...

ABO REVIEW STUDY GUIDE WITH SOLUTIONS 2024 Sclera - ️️ - Tough, white outer coat of the eyeball myopia - ️️ - nearsightedness; the condition in which parallel rays of light are brought into focus in front of the retina, rather than on it reflection - ️️ - light that bounces back refraction - ️️ - when the direction of light changes as it passes from one medium to another(bending of light) presbyopia - ️️ - Age of 40 need reading glass crystalline lens diminishes fram...