Very recently, our group revealed that PTPN22 gene polymorphism did not confer risk for ocular Behcet's disease [32], but the role of PTPN22 gene polymorphisms in other uveitis entities such as AAU+AS+ and VKH syndrome in Chinese Han was not yet clear. Here, PTPN22 is linked to Vogt-Koyanagi-Harada disease.