“…In Japan, Behçet disease, sarcoidosis, and Vogt-Koyanagi-Harada disease (VKH) have traditionally been three major causes of uveitis, [1][2][3][4][5][6][7][8][9][10][11] whereas HLA-B27-associated anterior uveitis, uveitis due to herpes zoster virus or cytomegalovirus, and ocular toxoplasmosis are major causes of uveitis in the United States and European countries. [12][13][14] On the other hand, Behçet disease, VKH, and ocular toxoplasmosis in Iran, 15 acute anterior uveitis, herpetic iridocyclitis, and ocular tuberculosis in Saudi Arabia, 16 ocular toxoplasmosis and geographic choroiditis in India, 17 and VKH, HLA-B27-associated anterior uveitis, Behçet disease, and ocular toxoplasmosis in southern Thailand 18 are major causes of uveitis. Furthermore, in Japan, multicenter epidemiologic surveys of uveitis were recently conducted in 2002 19 and 2009.…”