Table 2.

Frequency of choroidal nevi reported by Gass in prospective ophthalmoscopic study of 250 persons [11]

Age subgroup	Frequency	Percent
≤ 30 years	0 of 23	0.0
> 30 to ≤ 40 years	2 of 14	14.3
> 40 to ≤ 50 years	8 of 27	29.6
> 50 years	63 of 186	33.9