NAO VOLUME 3 TEST QUESTIONS WITH CORRECT VERIFIED ANSWERS A+ GRADED
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Course
NAO
Institution
NAO
The correct transposed RX for -1.00-.50x37 is? - ANS -1.50 + 0.50 x 127
The correct transposition for +2.00 -2.00 x 060 is? - ANS Plano +2.00 x 150
An uncut lens must be at least _______ mm in diameter to allow the edging of a 54 mm round lens decentered 3 mm in: - ANS 60 mm
A +3.00 ...
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CORRECT VERIFIED
LO
ANSWERS A+ GRADED
YC
D
U
ST
, The correct transposed RX for -1.00-.50x37 is? - ANS -1.50 + 0.50 x 127
The correct transposition for +2.00 -2.00 x 060 is? - ANS Plano +2.00 x 150
An uncut lens must be at least _______ mm in diameter to allow the edging of a 54 mm
round lens decentered 3 mm in: - ANS 60 mm
A +3.00 sphere lens has a front base curve of +6.25. What is the back surface curve? -
K
ANS -3.25
A -2.00 -1.00 x 045 lens has a front base curve of +6.25. What are the back surface
C
curves? - ANS -8.25 -1.00
LO
Moving the optical center of a plus lens inward from the correct PD results in _____ -
ANS Base in prism
Where will the optical center appear in a lensometer when neutralizing a left lens for
base in prism? - ANS To the left of the target center
YC
Glazing is a term used to indicate _____ - ANS A defect that occurs when an
anti-reflective lens is tinted
Frequently, bicentric grinding (slab-off) is used as a means of obtaining prism in the
D
reading field to correct induced prism imbalance. The usual correction during the
fabrication process is achieved by grinding prism in the following direction: - ANS up
U
A patient stops in to see you for adjustment of his glasses. After careful inspection you
find the only thing wrong that there is too much pantoscopic tilt. To make the necessary
adjustment you will: - ANS Angle the temples upward from the end pieces
ST
If the RX is +2.00 -4.00 x 135, it would be necessary to decenter the lens _____to
create 1.00 prism base in : - ANS not possible
Rewrite the RX below, which is prescribed for a patient afflicted with double vision, so
as to make better balanced lenses:
OD -1.00 -0.50 x 090 5.00 BU
OS -1.25 - 0.50 x 090 1.00 BD - ANS OD -1.00 -0.50 x 090 3.00 prism BU
OS -1.25 -0.50x 090 3.00 prism BD
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