Disease Summary help help Associated Targets () Explore Associated Targets list Mondo Description Vertical strabismus in which there is permanent upward deviation of the visual axis of one eye. Mondo Term and Equivalent IDs MONDO:0004893: hypertropia COHD:375275: DOID:9837: hypertropiaopen_in_newICD9:378.31: NCIT:C34716: open_in_newSCTID:40608009: open_in_newUMLS:C0020575: open_in_new