Table 1 Patient data.

Patient number	Age at surgery (weeks)	Expected refraction (dioptres)	Actual refraction (dioptres)	Axial length (mm)	Coexistent pathology
1	39	5.1	6	18.07	Smith–Lemni–Opitz
2	6	9.03	9.75	16.51
3	7	8	8	18.09
4	26	4	5	22.14	Cutis marmorata, glaucoma
5	28	8.68	10.5	18.12	Foveal hypoplasia
6	6	9	7	16.7	Disc hypoplasia
7	1	6	8.75	18.21
8	18	9	8.5	18.44
9	7	8.89	6.5	16.56
10	7	13.2	14	15.9
11	6	11.17	9.5	16.2
12	7	9.76	7.5	16.56
13	4	5.15	5.75	18.24	Trisomy 21
14	6	6.27	5	19.44
15	50	1.94	0.75
16	6	9.06	9.75	18.35
17	8	8	7.5	18.99
18	20	6.2	8	19.44
	21	8	10.25	19.46
19	34	4	4	21.16	Cockaynes
	35	4	2.5	21.08	Cockaynes
20	5.5	8.89	11	17.52	Trisomy 21
	6	8.89	10	18.13	Trisomy 21
21	15	8.77	8	18.5
	15.5	9.51	9	17.9
22	2.5	9	10	18.03	Trisomy 21
	3.5	9.1	11	18.05	Trisomy 21
23	48	5.1	4.5	18.25	Galactosaemia
	45	5.33	4.25	18.24	Galactosaemia
24	8	8.26	3.75	17.52	Trisomy 21
	9	7.11	5.25	17.08	Trisomy 21
25	46	2.5	1	22.7	Trisomy 21
	51	1.86	1	22.92	Trisomy 21