Photochromic(single vision/bifocal/progressive)

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1.56 Photochromic S/F Progressive Lens Crossbow Preview
Material refractive index=1.56
Diameter	Nominal Curve	True Curve N=1.56	Radius	Back Curve	Center	Edge	MRP Dec.	Seg Inset	Fitting Cross( about MRP)	Sag at 50mm	ADD	RX Range
75mm	150	1.5	374.12	5.61	7.5	10	0	2.25	4	0.83	1.00-3.50	-3.25D/-7.50D
75mm	350	3.64	153.98	6.94	6	10	0	2.25	4	2.02	1.00-3.50	-1.00D/-3.00D
75mm	575	6.08	92.15	6.94	6.5	7	0	2.25	4	3.42	1.00-3.50	-0.75D/+2.25D

1.56 Photochromic S/F Progressive Lens Crossbow Short
Material refractive index=1.56
Diameter	Nominal Curve	True Curve N=1.56	Radius	Back Curve	Center	Edge	MRP Dec.	Seg Inset	Fitting Cross( about MRP)	Sag at 50mm	ADD	RX Range
75mm	150	1.5	374.1	5.6	7.5	10	0	2.25	2	0.83	1.00-3.50	-3.25D/-7.50D
75mm	350	3.63	154.2	6.9	6	10	0	2.25	2	2.02	1.00-3.50	-1.00D/-3.00D
75mm	575	6.08	92.1	6.9	6.5	7	0	2.25	2	3.42	1.00-3.50	-0.75D/+2.25D
75mm	775	8.25	67.87	5.6	11.5	5	0	2.25	2	4.73	1.00-3.50	+2.50D/+5.50D

1.56 Photochromic S/F Progressive Lens M.S. Short
Material refractive index=1.56
Diameter	Nominal Curve	True Curve N=1.56	Radius	Back Curve	Center	Edge	MRP Dec.	Seg Inset	Fitting Cross( about MRP)	Sag at 50mm	ADD	RX Range
75mm	200	2.91	192.35	6.95	5.5	10	3	1.97	2	1.56	1.00-3.00	-3.25D/-7.50D
75mm	400	4.47	125.29	5.6	6	7	3	1.97	2	2.5	1.00-3.00	-1.00D/-3.00D
75mm	600	6.7	83.63	5.6	9.5	7	3	1.97	2	3.8	1.00-3.00	-0.75D/+2.25D
75mm	800	8.28	67.63	5.6	11.5	7.5	3	1.97	2	4.78	1.00-3.00	+2.50D/+5.50D

1.56 Photochromic S/F Progressive Lens Crossbow Long
Material refractive index=1.56
Diameter	Nominal Curve	True Curve N=1.56	Radius	Back Curve	Center	Edge	MRP Dec.	Seg Inset	Fitting Cross( about MRP)	Sag at 50mm	ADD	RX Range
75mm	225	2.05	272.91	5.6	7.5	10	0	2.5	2	1.146	1.00-3.50	-3.25D/-7.50D
75mm	425	4.85	115.37	5.6	6	7	0	2.5	2	2.271	1.00-3.50	-1.00D/-3.00D
75mm	550	6.16	90.88	6.9	6.5	7	0	2.5	2	3.480	1.00-3.50	-0.75D/+2.25D
75mm	750	8.34	67.18	5.6	11.5	5	0	2.5	2	4.760	1.00-3.50	+2.50D/+5.50D