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the drooping of the upper lid  phalangosis, prolapsus palpebrarum superioris, atonia palpebralis, blepharoptosis, ptosis  have been known in the middle ages and to the ancient arabian surgeons.
das herabsinken des oberen augenlides  phalangosis, porlapsus palpebrarum superioris, blepharoptosis, atonia palpe-bralis, ptosis  war im mittelalter und bei den arabern bekannt.