Katsunan Clinic, located in Toudaijima, Urayasu City, Chiba Prefecture, is a specialized ophthalmology clinic. It enjoys excellent accessibility, approximately an 8-minute walk from Urayasu Station on the Tokyo Metro Tozai Line and just a 1-minute walk from the Medical Center stop on the Osanpo Bus. The clinic provides comprehensive care for a wide range of eye conditions, from common disorders such as cataracts, glaucoma, floaters, and dry eye to diseases affecting the retina and macula. They perform cataract surgery and also offer YAG laser treatment for secondary cataracts that may develop post-surgery. Equipped with advanced diagnostic instruments including Goldmann perimeter and fundus photography devices, the clinic enables precise examinations including intraocular pressure, visual acuity, and fundus testing. They also prescribe contact lenses, accommodating everyone from first-time wearers to those requiring regular check-ups. Special examinations such as color vision tests are available, and referrals to affiliated hospitals are made when more specialized ophthalmological management is determined necessary. The clinic offers English services, accepts credit cards and electronic payments, and features barrier-free facilities plus a dedicated parking lot for two vehicles. The clinic is closed on Sundays and holidays, as well as during Golden Week, Obon, and the year-end and New Year period.