"disease_ontology"^^ . . "central corneal ulcer"^^ . "A corneal ulcer that is characterized by ulceration and opacification of the central cornea and is caused by minor trauma and subsequent infection by bacterial or mycotic organisms."^^ . "UMLS_CUI:C0155069"^^ . . "ICD9CM:370.03"^^ . "SNOMEDCT_US_2021_09_01:193761009"^^ . "DOID:9910"^^ . . "ICD10CM:H16.01"^^ .