the essential measurement required to fit progressive addition lenses properly
are
A.)binocular PD, binocular segment height, ED
B.)binocular PD, monocular segment height, ED
C.)monocular PD, monocular segment height, ED
D.)monocular PD, binocular segment height , ED - ✔️CORRECT ANSWER✅-C
,when measuring the segment height for a progressive addition lens, you should
measure:
A.)vertically down the corridor to the eyewire from the lid margin
B.)from the PRP and subtract the length of the particular progressive corridor
C.)from the center of the pupil to the lowest portion of the eyewire
D.)from the center of the progressive optical center to the center of the full
reading segment - ✔️CORRECT ANSWER✅-C
all of the following are methods of determining the monocular segment height for
a progressive addition lens except
the designation DBL when used in connection with a frame means
A.)the A (or horizontal) measurement of the lenses
B.)the B (or vertical) measurement of the lenses
C.)the least distance between lenses
D.)the distance between the geometric centers of the lenses - ✔️CORRECT
ANSWER✅-C
when using the boxing method to measure a lens, the A dimension refers to
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