ABO EXAM PRACTICE PART TWO Questions And Correct Answers
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Course
ABO
Institution
ABO
ABO EXAM PRACTICE PART TWO
Questions And Correct Answers
A pair of eye with a distance P.D. =68mm, converge for a reading an average of about -
answer3 to 4 mm
if the pupillary distance is measured while the patient is focusing on a point 30 inches in front of
the eyes, the P.D. measured is kn...
ABO EXAM PRACTICE PART TWO
Questions And Correct Answers
A pair of eye with a distance P.D. =68mm, converge for a reading an average of about -
answer✔✔3 to 4 mm
if the pupillary distance is measured while the patient is focusing on a point 30 inches in front of
the eyes, the P.D. measured is known as the - answer✔✔intermediate P.D.
the instrument that opticians commonly use to measure the vertex distance is called a -
answer✔✔distometer
if the long edge of an adjustable nose pad digs into a persons nose, which angle should be
altered? - answer✔✔splay
when using the boxing method, the "B" measurement is the - answer✔✔vertical measurement of
a boxed lens
the type of bridge on a plastic frame designed to rest entirely on the nose pads is the -
answer✔✔keyhole
selecting a new frame involves several aspects. The most obvious is - answer✔✔the frame
should center the pupils in the lenses, how the frame shape relates to the face shape, and the
correct frame will have minimal decentration
a semi-rimless mounting consists of - answer✔✔lens bars (with bridge) connecting end pieces
and temples
to amount a lens in a nylon suspension type frame, it would be necessary to - answer✔✔grove
the lens
cellulose acetate is a commonly used frame material because - answer✔✔hypoallergenic
in fitting aphakic lenses, always consider - answer✔✔a frame with adjustable nose pads, a frame
allowing the least amount of reflection in wearing, and a frame that offers at least A&B
difference
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