• The development of a retinal pigment epithelial dystrophy with a horseshoe pattern is described. In the same family, pigmentations resembling butterfly dystrophy, fundus pulverulentus, and reticular dystrophy were found. Since reticular dystrophy, macroreticular dystrophy, fundus pulverulentus, butterfly dystrophy, and pattern dystrophy lead to the same results with regard to visual acuity, visual fields, dark adaptation, color vision, ERG, and electro-oculogram and since they all seem to be inherited in an autosomal dominant manner, we suggest that they are different expressions of the same pigment epithelial dystrophy for which pattern dystrophy seems the most appropriate name.