ABO Practical Exam 2023 with verified solutions
Cancelling effect- subtract prism amounts correct answersBU/BU BD/BD BI/BO Powers between 0.00 & +/- 3.00 correct answersRead in 1/8 diopters .12 .37 .62 .87 Lensometer is also referred to as correct answersLensmeter, focimeter, vertometer To focus eyepiece correct answers1) 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. To read HORIZONTAL prism correct answersAxis must be @ 180°, if not, transpose rx. P=hcmxd correct answersPrentice rule P(prism) Hcm(amount moved) D(diopter) BO/BO correct answersCompounds- add
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