ABO Practical Exam questions with correct answers
Cancelling effect- subtract prism amounts - Answer BU/BU BD/BD BI/BO Powers between 0.00 & +/- 3.00 - Answer Read in 1/8 diopters .12 .37 .62 .87 Lensometer is also referred to as - Answer Lensmeter, focimeter, vertometer To focus eyepiece - Answer 1) while turned off. Place white sheet of paper against lens stop. 2) turn focus ring all the way counter clockwise,and then back clockwise until sharp. 3) remove paper and turn lensometer on 4) move power drum to high plus, then turn away from you until sharp- should land at 0.00.
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- May 10, 2023
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abo practical exam questions with correct answers
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