Norrin
（重定向自Pseudoglioma）
![](/Images/godic/202502/05/PBB_GE_NDP_206022_at_tn2349.png")
Norrin, also known as Norrie disease protein or X-linked exudative vitreoretinopathy 2 protein (EVR2) is a protein that in humans is encoded by the NDP gene. Mutations in the NDP gene are associated with the Norrie disease.