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Bifocal 1.50 Round Segment G50 (index 1.50)
BIFOCAL ROUND SEGMENT 1.50
REFRACTIVE INDEX
1.50
ABBE VALUE
58
SPECIFIC GRAVITY
1.32
SEMI-FINISHED BIFOCAL RS 1.50
BASE
70/24mm
0.50 2.00 4.00 6.00 8.00 10.00
BASE
70/28mm
2.00 4.00 6.00 8.00
ADD POWER +0.75D to +4.00D in 0.25D steps
ADD POWER +0.75D to +4.00D in 0.25D steps
FINISHED BIFOCAL RS 1.50
NEG 70/24 mm
SPH
Plano to -2.00
ADD
+1.00 to +3.50
POS 70/24 mm
SPH
Plano to +3.00
ADD
+1.00 to +3.50
NEG 70/28 mm
SPH
-0.25 to -2.00
ADD
+1.00 to +3.50
POS 70/28 mm
SPH
Plano to +3.00
ADD
+1.00 to +3.50
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