Clustering analysis established one key module (Figure 4B) and seven key genes (KIR2DL3, KIR3DL2, SH2D1B, KLRC3, KLRC2, GNLY, and GZMB) identified using MCODE were selected as potential hub genes for VKH disease. Here, KLRC2 is linked to Vogt-Koyanagi-Harada disease.