長崎県内5総合病院における新患患者疾病調査

Survey of first-visit eye patients in five general hospital in Nagasaki prefecture

（P-2-22）　1999年3月までの1年間に，長崎県内の5総合病院の眼科を受診した新来患者9,506名を調査した。これは長崎県人口の0.62％に相当する。患者の男女比は，46％対54％であった。疾患の内訳は，外眼部8.2％，前眼部23.5％，ぶどう膜1.5％，水晶体25.6％，網膜硝子体18.0％，緑内障3,8％，斜視1.1％，眼腫瘍0.4％，屈折異常9.5％であった。白内障が最も多く，網膜硝子体関連では糖尿病網膜症が最も多かった。水晶体疾患，緑内障，腫瘍は県南地区に有意に多く，外眼部と前眼部疾患は県北地区に有意に多かった。網膜静脈分枝閉塞症は県南地区に多かった。

We reviewed 9,506 new eye patients who visited either of 5 general hospitals in Nagasaki prefecture during a one-year period through March 1999. They accounted for 0.62% of inhabitants in the area. The male-to-female ratio was 46% vs 54%. The disease involved the lid or lacrimal tract 8.2%, cornea or conjunctiva 23.5%, the uveal tract 1.5%, the lens 25.6%, retina and vitreous 18.0%, glaucoma 3.8%, strabismus 1.1%, ocular tumor 0.4% and refractive disorder 9.5%. Cataract was the most frequent entity and diabetic retinopathy ranked as the top among retinovitreal disorders. The southern area was characterized by a higher incidence of cataract, glaucoma, ocular tumor and branch retinal vein occlusion. External and anterior eye diseases in the northern area of the prefecture.