Orphanet_1433 (Choroidal atrophy - alopecia) is a very rare ectodermal dysplasia syndrome, characterized by the association of choroidal atrophy (sometimes regional), together with other ectodermal dysplasia features including fine and sparse hair, absent or decreased lashes and eyebrows, and possibly mild visual loss and dysplastic/thick/grooved nails. Also known as: Moloney syndrome, Regional choroidal atrophy and alopecia.