Table 2 Proportion of bullous keratopathy (BK) cases with ALI as the primary cause, among 3 centres from 2001 to 2004.

Institution	2001		2002		2003		2004
	Total BK	No. of ALI‐induced BK cases (%)	Total BK	No. of ALI‐induced BK cases (%)	Total BK	No. of ALI‐induced BK cases (%)	Total BK	No. of ALI‐induced BK cases (%)
KPUM, Japan	27	9 (33.3)	37	10 (27.0)	33	10 (30.3)	31	10 (32.3)
SNEC, Singapore	22	1 (4.5)	34	1 (2.9)	47	6 (12.8)	51	2 (3.9)
NQMC, UK	22	0 (0)	17	0 (0)	16	0 (0)	27	0 (0)