Table 1.

 Demographic data for each surgical cohort included in the study

Year of surgery	No	Mean/median age (years)	Women (%)	VA,		DS (median value)
				Operated eye (median)	Better eye (median)	Preop	Postop (6 months)
1995	49	75.8/77	65.3	0.2	0.5	11	8
1996	45	77.7/79	66.7	0.2	0.6	14	8
1997	49	76.7/78	65.3	0.3	0.7	11	7
1998	73	76.1/77	61.6	0.3	0.7	14	8
1999	93	76.2/78	63.4	0.3	0.6	13	7
2000	83	76.2/78	63.9	0.4	0.8	11	7
2001	98	74.5/77	62.2	0.4	0.8	13	7
2002	125	76.2/77	60.8	0.4	0.7	13	7

DS, total disability score sum, as defined by the Catquest.

VA, visual acuity, decimal notation.

Postop  =  postoperatively; preop  =  preoperatively.