disease has basis in dysfunction of CLDN19 renal hypomagnesemia 5 with ocular involvement DOID:0060881 FHHNC with severe ocular involvement FHHNCOI Familial primary hypomagnesemia with hypercalciuria and nephrocalcinosis with severe ocular involvement (FHHNCOI) is a form of familial primary hypomagnesemia (FPH), characterized by excessive magnesium and calcium renal wasting, bilateral nephrocalcinosis, progressive renal failure and severe ocular abnormalities. GARD:0003451 HOMG5 ICD10:E83.4 MESH:C536148 MONDO:0009548 Meier Blumberg Imahorn syndrome Meier-Blumberg-Imahorn syndrome OMIM:248190 Orphanet:2196 bilateral macular coloboInOwlma with hypercalciuria familial hypomagnesemia with hypercalciuria, nephrocalcinosis and severe ocular involvement familial primary hypomagnesemia with hypercalciuria and nephrocalcinosis with severe ocular involvement https://rarediseases.info.nih.gov/diseases/3451/meier-blumberg-imahorn-syndrome hypercalciuria-bilateral macular coloboInOwlma syndrome hypomagnesemia 5, renal, with ocular involvement hypomagnesemia, familial, with hypercalciuria, nephrocalcinosis, and severe ocular involvement hypomagnesemia, renal, with ocular involvement idiopathic hypercalciuria with bilateral macular coloboInOwlmata macular coloboInOwlma, bilateral, with hypercalciuria oculocerebrorenal syndrome familial primary hypomagnesemia with hypercalciuria and nephrocalcinosis genetic macular dystrophy