ABO/NAO 5 – Questions With A+ Solutions
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Terms in this set (25)
what is the average convergence 2mm instead of 3mm in adults
distance in children
what is the refractive index of highlite 1.70
lenses
chem-tempering makes a clear glass ion exchange
lens more impact resistant by placing
the lens in a potassium nitrate bath.
the lens undergoes a process known
as what?
what is the formula for the index of index of refraction=velocity of light in air over velocity
refraction of light in other media
what is polyamide a nylon-based material that is very strong. it can be
made thinner and is lighter than cellulose acetate.
can be made translucent, is resistant to chemicals
and solvents and is hypoallergenic
when fitting a patient with progressive the frame should have sufficient face form, a short
addition lenses for optimum vertex distance as long as the eyelashes do not
performance, what is the vertex and touch the lens and should be adjustable for
pantoscopic tilt, and is face form pantoscopic angle of 10 to 12 degrees
required?
a person with a short nose may keyhole or open-bridged frame because it rest on
benefit cosmetically from what ridge the sides not on the crest of the bridge
design
Save Groups
Terms in this set (25)
what is the average convergence 2mm instead of 3mm in adults
distance in children
what is the refractive index of highlite 1.70
lenses
chem-tempering makes a clear glass ion exchange
lens more impact resistant by placing
the lens in a potassium nitrate bath.
the lens undergoes a process known
as what?
what is the formula for the index of index of refraction=velocity of light in air over velocity
refraction of light in other media
what is polyamide a nylon-based material that is very strong. it can be
made thinner and is lighter than cellulose acetate.
can be made translucent, is resistant to chemicals
and solvents and is hypoallergenic
when fitting a patient with progressive the frame should have sufficient face form, a short
addition lenses for optimum vertex distance as long as the eyelashes do not
performance, what is the vertex and touch the lens and should be adjustable for
pantoscopic tilt, and is face form pantoscopic angle of 10 to 12 degrees
required?
a person with a short nose may keyhole or open-bridged frame because it rest on
benefit cosmetically from what ridge the sides not on the crest of the bridge
design
