Need help with slab off calculation:
R sph +4.0 cyl +1.0 A 40 Add 1,25
L sph +1,5 Add 1,25
A:52
B:32
PD:32
DBL:18
Pupil high: 19mm
Reading level from PRP(Dot): 11mm
Where should the slab off line be located on progressive Lenses?
Need help with slab off calculation:
R sph +4.0 cyl +1.0 A 40 Add 1,25
L sph +1,5 Add 1,25
A:52
B:32
PD:32
DBL:18
Pupil high: 19mm
Reading level from PRP(Dot): 11mm
Where should the slab off line be located on progressive Lenses?
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