With the exception of NEU1, the disease gene for neuraminidase deficiency (OMIM #256550; may include cataracts as a minor feature), there are no known cataract genes nor mapped cataract loci within this region (UCSC Genome Browser OMIM Track, UCSC [Link]; Cat‐Map, Shiels et al. Here, NEU1 is linked to sialidosis type 2.