開かい瞼けん器きMeanings1nouneyelid speculum; lid retractorMedical instrument used to hold the eyelids open during ophthalmic procedures.眼がん科か医いは手しゅ術じゅつ中ちゅうに開かい瞼けん器きを使つかってまぶたを開ひらいたままにした。The ophthalmologist used an eyelid speculum to keep the eyelids open during the surgery.