Yamauchi Eye Clinic, located in Gonoura-cho, Iki City, Nagasaki Prefecture, is an ophthalmology specialty clinic operated by the medical corporation Seikōkai. As one of the group's clinics with bases in Iki, Tsushima, and Fukuoka, it plays a vital role in providing ophthalmic care to remote island communities. The clinic performs same-day surgery for cataracts, glaucoma, vitreoretinal conditions, and eyelid procedures, with operations conducted on Monday and Thursday afternoons. In terms of equipment, the clinic became the fourth facility in Kyushu to introduce Alcon's cataract surgery system "Centurion Active Sentry Handpiece" in October 2021, and in August 2025, the group became the first in Kyushu to introduce the new cataract and vitreoretinal surgery system "UNITY VCS," reflecting a proactive commitment to adopting the latest technology. Initial contact lens fitting instruction is also available, with careful guidance provided over approximately 30 to 60 minutes. All consultations are by appointment only, with reception hours from 8:30 to 12:00 in the morning and 14:30 to 17:30 in the afternoon; the clinic is closed on Wednesdays, Sundays, public holidays, Tuesday afternoons, and Saturday afternoons. English-language support is available, and the facility offers both parking and barrier-free access.