has part has part characteristic of inheres in has modifier Ectopic lacrimal punctum 2010-04-23T09:35:56Z HP:0010748 Abnormal position of the lacrimal punctum The openings of the tear ducts are normally located at the medial margin of each eyelid. The opening on the lower eyelid border is more visible than the opening on the upper eyelid border. Ectopic positions can include the upper eyelid, nasal bridge, or inferior to medial aspect of the lower lid. UMLS:C4021230 Positioning of a lacrimal punctum other than at the medial margins of the eyelid. Abnormal lacrimal punctum morphology position abnormal lacrimal punctum