exophthalmos NCIT:C118763 ICD9:376.30 proptosis exophthalmos SCTID:18265008 exophthalmos (disease) UMLS:C0015300 exophthalmos (disease) The anterior displacement of the eye within the orbit, giving a bulging appearance. MESH:D005094 MEDGEN:41917 MONDO:0004770 DOID:9370 HP:0000520 eye disorder