has material basis in germline mutation in CHST6 macular corneal dystrophy https://www.malacards.org/card/macular_dystrophy_corneal Macular corneal dystrophy (MCD) is a rare, severe form of stromal corneal dystrophy characterized by bilateral ill-defined cloudy regions within a hazy stroma, and eventually severe visual impairment. MESH:C537834 macular dystrophy, corneal type 1 MEDGEN:351514 Orphanet:98969 UMLS:C1636149 Fehr corneal dystrophy MedDRA:10025406 GARD:0006953 corneal dystrophy Groenouw type II macular corneal dystrophy Mcdc1 NCIT:C34793 MONDO:0009020 icd11.foundation:791344343 MCD SCTID:60258001 macular dystrophy, corneal DOID:2565 ICD9:371.55 Groenouw type II corneal dystrophy macular corneal dystrophy type 1 ICD10CM:H18.55 OMIM:217800 stromal corneal dystrophy hereditary macular dystrophy