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ABO/NAO 3: Questions With Complete Answers
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ABO/NAO 3: Questions With Complete Answers
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ABO/NAO 3: Questions With Complete AnswersIf the right temple is angled out, this adjustment will: Right Ans - bring the
right side of the front toward the right eye
When aphakic lenses are tilted too much pantoscopically , what can be
expected to occur? Right Ans - a error of refractive power is induced
Which instrument would be used to check for strain in a lens? Right Ans -
colmascope it uses polarized light to show strain patterns in glass or plastic
Measurement for segment heights on a new pair of glasses should be done
using Right Ans - the actual frame that will be worn
The MRP (major reference point) hieght must be measured for : high index ,
polycarbonate, minus lenses? or all of them? Right Ans - all of them,
especially important to measure PD's monocularly and to consider the vertical
position of the MRP on all rx's
If the seg. seems to low: Right Ans - adjust the pads closer together, move
the pads down and reduce pantoscopic tilt these will all have the effect of
raising the seg
Near P.D. can either be measured or calculated when measured, the distance
from the dispenser's eye to the subjects eye should be: Right Ans - the
proposed working distance
To relieve tension on both ears, a good adjustment would be to : Right Ans
- increase temple lenght to bend
Which of the following occupations might be best suited with double seg.
lenses? Right Ans - electrician
A corrected curve lens is a lens Right Ans - that has a base curve chosen to
reduce peripheral power errors
If the top of th frame front is pressing against the brow, the adjustment to
correct the condition would be: Right Ans - increase the vertex distance by
lengthening the pad arms
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