NPHP1 gene-associated nephronophthisis is associated with an occult retinopathy.
Birtel J, Spital G, Book M, Habbig S, Bäumner S, Riehmer V, Beck BB, Rosenkranz D, Bolz HJ, Dahmer-Heath M, et al. Kidney Int. 2021 Nov; 100(5):1092-1100. Epub 2021 Jun 19.