Located in Horicho, Mito City, Ibaraki Prefecture, Katsumata Eye Clinic is a clinic established by Dr. Shunji Katsumata, an ophthalmologist. After graduating from Tohoku University School of Medicine, the director has served as Vice Director of Mito Kyodo Hospital and Chief Ophthalmologist at the National Hospital Organization Mito Medical Center, among other positions, and has been responsible for ophthalmic care at general hospitals in the Mito area for over 30 years. By combining extensive clinical experience as a medical doctor with advanced medical equipment, the clinic provides accurate diagnosis in a short time, focusing on early detection of glaucoma and treatment of dry eye. The clinic emphasizes informed consent by using electronic medical records to visually show patients the condition of their eyes while carefully explaining treatment content and progress, creating an environment where patients can receive treatment with full understanding. In addition to general ophthalmology, the clinic handles eyeglass prescriptions and contact lens refills, and makes referrals to affiliated hospitals for cases requiring surgery. Appointments are required, and English services are available. The clinic is equipped with a 30-car parking lot and barrier-free facilities, making it an accessible environment for various patients. Online eligibility verification using My Number cards is also supported.