Early-Onset Nuclear Cataract is related to distal hereditary motor neuronopathy type 2c and cataract 16, multiple types. An important gene associated with Early-Onset Nuclear Cataract is BFSP1 (Beaded Filament Structural Protein 1), and among its related pathways/superpathways is 1q21.1 copy number variation syndrome. Affiliated tissues include eye and breast, and related phenotype is vision/eye.