Table 1

Demographic details and diagnosis of patients with iris crystals

Patient No	Age crystals noted (years)	Duration of uveitis before crystal (months)	Sex	Race	Diagnosis	Eye	Plasma IgG subclasses
1	36	96	M	White	Fuchs’ heterochromic cyclitis	Right	Normal
2	18	54	M	White	Fuchs’ heterochromic cyclitis	Left	Normal
3	33	29	F	White	Fuchs’ heterochromic cyclitis	Right	Normal
4	38	18	F	White	Fuchs’ heterochromic cyclitis	Right	Normal
5	32	216	F	Asian	Fuchs’ heterochromic cyclitis	Right	Not done
6	77	36	M	White	Fuchs’ heterochromic cyclitis	Right	Not done
7	45	13	F	White	Fuchs’ heterochromic cyclitis	Right	Normal
8	30	21	F	Asian	Fuchs’ heterochromic cyclitis	Right	Not done
9	47	132	M	White	Fuchs’ heterochromic cyclitis	Left	Normal
10	44	0	F	White	Fuchs’ heterochromic cyclitis	Left	Normal
11	27	96	M	White	Fuchs’ heterochromic cyclitis	Right	Normal
12	21	18	F	Afro-Caribbean	Fuchs’ heterochromic cyclitis	Left	Raised IgG1
13	37	0	M	White	Fuchs’ heterochromic cyclitis	Right	Not done
14	81	0	F	White	Fuchs’ heterochromic cyclitis	Right	Not done
15	20	0	F	White	Fuchs’ heterochromic cyclitis	Left	Normal
16	27	24	M	White	Fuchs’ heterochromic cyclitis	Left	Not done
17	35	6	M	White	Fuchs’ heterochromic cyclitis	Right	Not done
18	52	3	F	White	Chronic idiopathic anterior uveitis	Right	Raised IgG1
19	64	60	M	White	Bilateral idiopathic, chronic anterior uveitis	Right	Not done
20	15	0.5	F	Asian	Bilateral idiopathic intermediate uveitis	Right	Not done
21	28	84	F	White	Bilateral idiopathic panuveitis	Right	Normal
22	46	24	F	White	Bilateral idiopathic panuveitis	Right	Normal
23	28	3	M	White	Bilateral panuveitis and retinal vasculitis. Behçet’s disease	Left	Normal
24	45	180	F	White	Bilateral idiopathic panuveitis and retinal vasculitis	Left	Raised IgG1