corneal deposit stromal corneal pigmentation https://github.com/monarch-initiative/mondo/issues/9097 https://www.malacards.org/card/stromal_corneal_pigmentation ICD9:371.12 Stromal pigmentation such as that in ochronosis results from chronic irritation. The melanin is in the superficial stroma and the basal layer of the corneal epithelium. MEDGEN:509791 DOID:12311 stromal corneal pigmentations SCTID:55031000 UMLS:C0155105 MONDO:0006613 ICD10CM:H18.06