眼がん瞼けん下か垂すいがんけんかすいMeanings1nounptosis; blepharoptosis; droopy eyelidmedicineMedical term for a drooping upper eyelid. In everyday conversation, まぶたが下がる or まぶたのたるみ may be used instead.眼がん瞼けん下か垂すいの手しゅ術じゅつを受うけた。I had surgery for ptosis.加か齢れいによる眼がん瞼けん