井上眼科病院におけるロービジョン専門外来の実際

Current status of low vision clinic at Inouye Eye Hospital

要約　目的：井上眼科病院ロービジョン外来を受診した患者の実態の報告。対象と方法：2010年9月から1年間に受診した患者42例を，年齢，原因疾患，視力，視野，視覚障害者手帳の取得状況などにつき調査した。結果：平均年齢59歳，原因疾患は緑内障で21例，次いで，網膜色素変性症7例，網膜ジストロフィ4例，変性近視3例，糖尿病網膜症と加齢黄斑変性と視神経症各2例，網膜剝離1例であった。平均矯正視力0.2，視野10°以下の求心性狭窄が21例（50％），障害者手帳1・2級の取得者22例であった。結論：高齢の緑内障が多く，障害者手帳1・2級の取得者が半数以上となった。

Abstract.　Purpose：To report the current status of low vision clinic at Inouye Eye Hospital in Tokyo. Cases and Method：This study was made on 42 patients who asked for advice at our low vision clinic during 12 months through September 2010. They were surveyed regarding age,causative lesion,visual acuity and field,and official status as visually disabled person. Results：The age ranged from 3 to 91 years,average 59 years. Visual disability was due to glaucoma in 21 cases,followed by retinitis pigmentosa in 7 cases,retinal dystrophy in 4 cases,degenerative myopia in 3 cases,diabetic retinopathy and age-related macular degeneration in 2 cases each,and retinal detachment in one case. Best corrected visual acuity averaged 0.2. Visual field was constricted to 10°or more in 21 cases（50％）. Twenty-two cases were officially recognized as grade 1 or 2 of visual disability. Conclusion：The present survey was characterized by senile patients with advanced glaucoma. More than 50％ of patients were visually handicapped to a severe degree.