NAO VOLUME 3 EXAM – Questions With Verified
Solutions
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Practice questions for this set
Learn 1 /7 Study using Learn
Makes people like they are walking downhill
Choose an answer
Correct the imbalance in the following
prescription by use of slab-off.
The correct transposed RX for
1 2 Reading level is 10 mm:
-1.00-.50x37 is?
OD +5.00 -2.00 x 090
OS +2.25 -3.00 x 090
A -2.00 -1.00 x 045 lens has a front
3 base curve of +6.25. What are the back 4 Excessive base up prism:
surface curves?
Don't know?
Terms in this set (105)
The correct transposed RX for -1.50 + 0.50 x 127
-1.00-.50x37 is?
, The correct transposition for +2.00 Plano +2.00 x 150
-2.00 x 060 is?
An uncut lens must be at least _______ 60 mm
mm in diameter to allow the edging of
a 54 mm round lens decentered 3 mm
in:
A +3.00 sphere lens has a front base -3.25
curve of +6.25. What is the back
surface curve?
A -2.00 -1.00 x 045 lens has a front -8.25 -1.00
base curve of +6.25. What are the back
surface curves?
Moving the optical center of a plus Base in prism
lens inward from the correct PD
results in _____
Where will the optical center appear To the left of the target center
in a lensometer when neutralizing a
left lens for base in prism?
Glazing is a term used to indicate _____ A defect that occurs when an anti-reflective lens is
tinted
Frequently, bicentric grinding (slab- up
off) is used as a means of obtaining
prism in the reading field to correct
induced prism imbalance. The usual
correction during the fabrication
process is achieved by grinding prism
in the following direction:
Solutions
Save Groups
Practice questions for this set
Learn 1 /7 Study using Learn
Makes people like they are walking downhill
Choose an answer
Correct the imbalance in the following
prescription by use of slab-off.
The correct transposed RX for
1 2 Reading level is 10 mm:
-1.00-.50x37 is?
OD +5.00 -2.00 x 090
OS +2.25 -3.00 x 090
A -2.00 -1.00 x 045 lens has a front
3 base curve of +6.25. What are the back 4 Excessive base up prism:
surface curves?
Don't know?
Terms in this set (105)
The correct transposed RX for -1.50 + 0.50 x 127
-1.00-.50x37 is?
, The correct transposition for +2.00 Plano +2.00 x 150
-2.00 x 060 is?
An uncut lens must be at least _______ 60 mm
mm in diameter to allow the edging of
a 54 mm round lens decentered 3 mm
in:
A +3.00 sphere lens has a front base -3.25
curve of +6.25. What is the back
surface curve?
A -2.00 -1.00 x 045 lens has a front -8.25 -1.00
base curve of +6.25. What are the back
surface curves?
Moving the optical center of a plus Base in prism
lens inward from the correct PD
results in _____
Where will the optical center appear To the left of the target center
in a lensometer when neutralizing a
left lens for base in prism?
Glazing is a term used to indicate _____ A defect that occurs when an anti-reflective lens is
tinted
Frequently, bicentric grinding (slab- up
off) is used as a means of obtaining
prism in the reading field to correct
induced prism imbalance. The usual
correction during the fabrication
process is achieved by grinding prism
in the following direction:
