PHOTOCHROMIC S/F SINGLE VISION

Diameter	Nominal Curve	T.C	Radius	Back Curve	E.T.	C.T.	SAG	RX Range Recommended
75	Plano	0.00	*	5.60	14	7.5	0.00	-8.00D TO -12.00D
75	200	2.18	242.89	5.60	12	8	1.29	-5.25D TO -8.00D
75	400	3.74	141.88	5.60	10	8	2.22	-2.25D TO -5.00D
75	600	5.97	88.84	5.60	7	7.5	3.59	+2.00D TO -2.00D
75	800	8.00	66.23	5.60	7	10	4.90	+2.25D TO +5.00D
75	1000	10.14	52.27	5.60	7	13	6.37	+6.00D TO +10.00D

PHOTOCHROMIC S/F PROGRESSIVE 72mm (REGULAR CORRIDOR)

Diameter	Nominal Curve	T.C	Radius	Back Curve	E.T.	C.T.	MRP Dec	Seg Inset	Fitting cross (above MRP)	Sag	Add Range	RX Range Recommended
72	200	2.64	200.80	5.60	12.00	8.00	3	3	2	1.56	1.00 TO3.50	-3.25D TO -7.50D
72	400	4.20	126.40	5.60	11.00	9.50	3	3	2	2.50	1.00 TO3.50	-1.00D TO 3.00D
72	600	6.30	83.98	5.60	9.00	10.00	3	3	2	3.80	1.00 TO3.50	-0.75D TO +2.25D
72	800	7.82	67.77	5.60	8.00	11.00	3	3	2	4.78	1.00 TO3.50	+2.50D TO +5.50D

PHOTOCHROMIC S/F PROGRESSIVE 72MM (SHORT CORRIDOR)

Diameter	Nominal Curve	T.C	Radius	Back Curve	E.T.	C.T.	MRP Dec	Seg Inset	Fitting cross (above MRP)	Sag	Add Range	RX Range Recommended
72	125	1.37	386.86	5.60	12.00	7.00	3	3	2	0.81	1.00 TO3.50	-4.25D TO -8.00D
72	325	3.40	155.88	5.60	10.00	8.00	3	3	2	2.02	1.00 TO3.50	-4.00D TO -0.75D
72	550	5.75	92.17	5.60	8.00	8.00	3	3	2	3.46	1.00 TO3.50	-0.50D TO +2.50D
72	750	7.82	67.77	5.60	7.00	10.00	3	3	2	4.78	1.00 TO3.50	+2.75D TO +6.00D

PHOTOCHROMIC S/F FLAT TOP BIFOCAL 72/28MM

Diameter	Nominal Curve	T.C	Radius	Back Curve	E.T.	C.T.	MRP Dec	Seg Inset	Fitting cross (above MRP)	Add Range	RX Range Recommended
72/28	50	0.54	976.72	5.60	16.00	10.00	0.32	5	5	0.50-4.00	-5.25D TO -10.00D
72/28	200	2.06	256.76	5.60	15.00	10.00	1.22	5	5	0.50-4.00	-2.00D TO -5.00D
72/28	400	3.97	133.60	5.60	12.00	10.00	2.36	5	5	0.50-4.00	-1.00D TO -3.00D
72/28	600	6.11	86.74	5.60	10.00	10.00	3.68	5	5	0.50-4.00	+2.00D TO -2.00D
72/28	800	8.09	65.48	5.60	10.50	10.00	4.96	5	5	0.50-4.00	+2.00D TO +5.00D
72/28mm	1000	10.11	52.42	5.60	7.00	13.50	6.35	5	5	1.00-3.50	5.25D/+7.00D