<unk>  is a skin condition developing in young persons, with an average age of 11, characterized by asymptomatic widespread brown to gray macules of up to several centimeters in diameter on the neck, trunk, and proximal extremities.
Idiopathic eruptive macular pigmentation
Bowenoid papulosis
Rubeosis iridis
Telangiectasia macularis eruptiva perstans
Ocular melanosis
Subepithelial mucinous corneal dystrophy
Phakomatosis pigmentokeratotica
Congenital stromal corneal dystrophy