• Registered Member of Korean Ophthalmology Association
• Registered Member of U.S. Ophthalmology Association
• Registered Member of Korean Refractive Surgery Association
• Registered Member of Korean Contact Lens Researching Association
• Registered Member of Korean Exterior-Eye Researching Association
• Registered Member of U.S. Refractive Surgery Association
• Registered Member of U.S. Contact Lens Institution
• Registered Member of European Refractive Surgery Association
• Registered Member of World Refractive Surgery Association

진료과목: