Juvenile cataract - microcornea - renal glucosuria orphanet OMIM:612018 Juvenile cataract - microcornea - renal glucosuria is an extremely rare autosomal dominant association reported in a single Swiss family and characterized clinically by juvenile cataract associated with bilateral microcornea, and renal glucosuria without other renal tubular defects. Disorder of carbohydrate metabolism Rare genetic renal disease Rare cataract