白内障術後の嚢腫状黄斑浮腫について

Cystoid macular edema following cataract surgery

緒　言

　水晶体摘出術後に高率に嚢腫状黄斑浮腫（Cystoid macular edema，以下CMEと略）が発生することは，barrierとなつている水晶体嚢が破壊されることに関係し，嚢内法と嚢外法で発生率に差があるとする意見もある。私どもは切開面が小さく，術中術後の眼圧の変動の比較的少なく，水晶体後嚢を残す超音波吸引法（Phaco-emulsification and aspiration method，以下PEMと略）を行つた例が，嚢内法に比してCMEの発生が少なくなるかについて検討し，CME発生の機序についていささかの考察を加えてみた。

We investigated into the incidence and clinicalfeatures of cystoid macular edema following routine intracapsular cataract extraction (32 eyes) and phacoemulsification-aspiration surgery (64 eyes). Cystoid macular edema developed in 16 eyes (50%) in the former group and in 19 eyes (30%) in the latter. There was no essential diffe-rence in the severity and clinical features of cystoid macular edema between the two surgical modalities. There was a tendency for the second eye to develop cystoid macular edema if the first eye had developed the condition. This tendency was independent of the surgical technique employed.