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Ordering RGP lens parameters (in theory)
BOZR:BOZD/ICR:ICD/PCR:LD
BVP
tc
Ordering RGP lens parameters (in practice)
BC/Dia/BVP
design, material
tc
Optional rigid lens features (7)
blending of junctions
front surface bevel
handling tint
cosmetic tint
R/L markings
fenestrations
What is blending of junctions?
polishing or 'rounding' of curve junctions
Why are junctions blended?
assists with tear flow
improves comfort
What can you request with junction blending?
degree of blend
: light, moderate or heavy
width of blended zone
What is -ve lenticulation? What is it for?
removal of front edge to reduce peripheral thickness
used mainly for high minus lenses
What is +ve lenticulation? What is it for?
added to thicken lens edge
promotes lid attachment
Author
Anonymous
ID
333726
Card Set
CL Orals
Description
CL
Updated
2017-08-28T11:46:39Z
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