片眼性脈絡膜剝離の1例

A case of unilateral choroidal detachment

要約　外傷や眼手術の既往がない77歳男性が数日前からの右眼の視野狭窄で受診した。矯正視力は右0.3，左1.0で，眼圧は右15mmHg，左13mmHgであった。右眼底の周辺部全周に網膜剝離を伴わない脈絡膜剝離があった。蛍光眼底造影で網膜色素上皮のレベルに点状の過蛍光があった。プレドニゾロンの内服開始から5日後に脈絡膜剝離が消退しはじめ，5週後に消失した。寛解後のインドシアニングリーン蛍光眼底造影で右眼脈絡膜の充盈遅延があり，循環障害が疑われた。原因不明の脈絡膜剝離が片眼に生じた稀な症例であり，炎症性である可能性がある。

Abstract.　A 77-year-old man presented with constriction of visual field in his right eye since a few days before. He had no history of trauma or eye surgery. His corrected visual acuity was 0.3 right and 1.0 left. The intraocular pressure was 15 mmHg right and 13 mmHg left. Choroidal detachment without retinal detachment was present in the periphery along the whole circumference in the right eye. Fluorescein angiography showed hyperfluorescent dots at the level of retinal pigment epithelium. Choroidal detachment started to regress 5 days after start of systemic prednisolone. It disappeared after 5 weeks of treatment. Indocyanine green angiography after regression showed delayed choroidal circulation. Inflammation of unknown nature was suspected as the cause of choroidal detachment.