Table 1

Age and sex specific frequencies of limbal chamber depth

		Limbal chamber depth		Total
Sex	Age	0%	5%	15%	25%	40%	75%	⩾100%	Ungraded	subjects
Men	40–49	0	2	19	32	60	61	92	0	266
	50–59	1	11	15	27	52	50	54	4	214
	50–69	4	9	18	30	33	28	21	10	153
	70–79	3	6	8	24	12	10	7	16	86
	80+	2	1	0	2	3	1	2	13	24
Women	40–49	1	14	36	70	107	89	88	1	406
	50–59	8	34	44	69	61	47	17	2	282
	60–69	9	17	30	43	33	18	8	13	171
	70–79	2	13	12	27	14	5	6	12	91
	80+	0	3	5	2	7	0	2	5	24
	Total	30	110	187	326	382	309	297	76	1717

↵Limbal chamber depth given as a percentage fraction of peripheral corneal thickness.