Table 1.

Copy number of the SDIns polymorphisms in our study cohorts

	No. of probands with 0, 1 or ≥2 copies of SDIns
	0 copy	1 copy	≥2 copies
Centromeric deletions (n = 4)	1	2	1
Color vision normal (n = 15)	2	9	4
Color vision or cone deficient (n = 37)	2	15	20
Σ	5	26	25