Abo pra Study guides, Class notes & Summaries

ABO Practical UPDATED Exam Questions and CORRECT Answers only Single Vision - Correct Answer- corrects for one distance Multifocal - Correct Answer- Corrects with two or more prescriptions (or 'powers') Bifocal - Correct Answer- lens having two focus strengths Trifocal - Correct Answer- pertaining to having three focus strengths Calculating Prismatic Effects - Correct Answer- obtained at the center of an optical lens by producing a difference in edge thickness, either by grinding the ba...

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 - False 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 is being applied on the very tips of the temples. - Pressure is being app...

Numont pliers - CORRECT ANS used to hold eyewires of numont and nylon suspension frames during adjustment. you may also find them useful in adjusting the end pieces of narrow metal frames chappel cutting pliers - CORRECT ANS he Chappel Cutting Plier cuts screw assemblies and reduces the risk of damaging lenses oblique cutting plier - CORRECT ANS tips of these pliers taper to a 45 degree angle allowing you to get into small spaces B& L style adjusting pliers - CORRECT ANS flat arm will wor...

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 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 b. power in principal meridians 00:57 01:...

ABO practice exams with 93 Complete Questions and Answers

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 - Answer- False 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 is being applied on the very tips of the temples. - Answer- ...

To mount a lens in a nylon suspension type frame, it would be necessary to _______ the lens. a) Drill b) Notch c) Groove d) V-Bevel c) Groove The optical center of a lens is: a) At the geometrical center b) One the 180 line c) At the point where the "a" and "b" measurement meet d) A lens location of zero deviation of the optical axis d) A lens location of zero deviation of the optical axis 01:05 01:09 The progressive power lens has a progressive zone after w...