ABO Practical Exam Questions And Answers @ 2024

ABO Practical Exam Questions And
Answers @ 2024
Cancelling impact- subtract crystal sums - ANSWER BU/BU
BD/BD
BI/BO

Powers between 0.00 & +/- 3.00 - ANSWER Examined in 1/8 diopters
.12
.37
.62
.87

Lensometer is additionally alluded to as - ANSWER Lensmeter, focimeter, vertometer

To center eyepiece - ANSWER 1) whereas turned off. Put white sheet of paper against focal
point halt.
2) turn center ring all the way counter clockwise,and at that point back clockwise until sharp.
3) evacuate paper and turn lensometer on
4) move control drum to tall furthermore, at that point turn absent from you until sharp- ought
to arrive at 0.00.

To examined Level crystal - ANSWER Pivot must be @ 180°, on the off chance that not,
transpose rx.

P=hcmxd - ANSWER Prentice run the show
P(prism)
Hcm(amount moved)
D(diopter)

BO/BO - ANSWER Compounds- include

BI/BI - ANSWER Compounds- include

BU/BD - ANSWER Compounds- include

BU/BU - ANSWER Cancels- subtract

BD/BD - ANSWER Cancels- subtract

BI/BO - ANSWER Cancels- subtract

Dark numbers on lensometer control drum - ANSWER (+)

Ruddy numbers on lensometer control drum - ANSWER (-)

When neutralizing, in case you have got a control that's in 1/8 diopters and have to be
subtract - ANSWER Include 1 to 1/8 sum
Ex. .12, you'd got to subtract .13