A: The variant NC_000021.9:g.45505380G>A in gene SLC19A1 is classified as 'Benign/Likely_benign' for not_provided|COL18A1-related_disorder|Hereditary_glaucoma,_primary_closed-angle|Knobloch_syndrome_1|not_specified. Molecular consequence: SO:0001819: synonymous_variant. Variant type: single_nucleotide_variant. Disease database links: MedGen:C3661900|.|MONDO:MONDO:0030038,MedGen:C5394374,OMIM:618880|MONDO:MONDO:0800167,MedGen:C4551775,OMIM:267750|MedGen:CN169374. Review status: criteria provided, multiple submitters, no conflicts.