About 2,800 members of KOS are networked through Seoul headquarters founded in 1955 and 12 regional offices throughout the nation in Busan, Inchon, Gyeonggi, Daejeon, Choongnam, Choongbuk, Gyongnam, Ulsan, Daegu, Gyeongbuk, Gwangju, Jeonnam, Jeonbuk and Kwangwon Section Position Name Office Gangwon President Min Hyung Park Catholic Park`s Eye Clinic Secretary General Woo Chul Choi Best Eye Center Gyeonggi President Joo Hyoun Lee Suwon Doctor Lee's Eye Clinic Secretary General Gyu Heon Han Suwon Doctor Lee's Eye Clinic Gwangju / Jeonnam President Yong Hwan Kim Dr. Kim`s Eye Clinic Secretary General Gil Joong Yoon happy eye clinic Gyeongnam President Jae Ki Bae Dr. Pyungan Eye Clinic Secretary General Myoung Ho Yoo Daegu / Gyeongbuk President Si Dong Kim Dept. of Ophthalmology, Daegu Catholic University Hospital Secretary General Yoon Young Kim Dept. of Ophthalmology, Daegu Catholic University Hospital Busan President Il Han Yun Dept. of Ophthalmology, Inje University Pusan Paik Hospital Secretary General Hae Song Kim Mirae eye clinic Jeonbuk President Yun Sik Yang Dept. of Ophthalmology, Wonkwang University School of Medicine and Hosp. Secretary General Byoung Yong Song Dept. of Ophthalmology, Wonkwang University School of Medicine and Hosp. Seoul President Won Euy Chang Dr.Chang`s Eye Clinic Secretary General Tae Hoon Choi Dept. of Ophthalmology, Kangdong Sacred Heart Hospital, Hallym Univ. Incheon President Seoun Mo Kim Dr.Kim`s Eye Clinic Secretary General Hack Cheol Kim Yonse Kim`s Eye Clinic Ulsan President Chong Soo Kang Dr. Kang`s Eye Clinic Secretary General Ki Ho Kim Uri Eye Clinic Chungbuk President Jae Ok Lee Chungang Eye Clinic Secretary General Mi Young Choi Dept. of Ophthalmology, Chungbuk National University, Hospital Daejeon / Chungnam President Kang Il Rhee Daejon Dr. Rhee`s Eye Hospital Secretary General Young Joon Jo Dept. of Ophthalmology, Chungnam National University, Hospital