Located in Kosaka, Matsuyama City, Ehime Prefecture, Isshiki Ophthalmology has been providing community-focused eye care since opening in 1987. The clinic diagnoses various eye symptoms such as itching, pain, vision loss, and diplopia through consultations and examinations, treating a wide range of conditions including conjunctivitis, allergic conjunctivitis, myopia, hyperopia, presbyopia, age-related macular degeneration, and dry eye. In terms of treatment, in addition to medication with eye drops and oral drugs, surgeries are performed for cataracts, glaucoma, ptosis, and chalazion. The vice director specializes in neuro-ophthalmology, treating symptoms such as diplopia, vision loss, and eyelid drooping caused by abnormalities of the nerves and muscles of the eye. In addition to providing such specialized medical care, the clinic is equipped with parking and barrier-free facilities, ensuring convenience for visitors. English language services are also available, and the clinic operates as a trusted eye care facility in the community through responsible treatment throughout patients' lives.