Table 4. Incidence of corneal opacity.

	Homozygotes		Heterozygotes		Wild type
Age	N	(%)	N	(%)	N	(%)
<40 weeks	1/6	16.7	2/25	8.0	0/35	0.0
40–59 weeks	3/7	42.9	5/40	12.5	0/39	0.0
60–79 weeks	2/3	66.6	4/14	28.6	0/8	0.0
≥80 weeks	3/4	75.0	8/19	42.1	0/7	0.0