A novel splice variant in COL4A1 results in retinal arterial tortuosity and HANAC syndrome in a multi-generational familyJuly 1, 2025·Ehsan Misaghi,A. Radziwon,N. Sheri,Peter Kannu,Matthew D. Benson· 0 min readpresentationsLast updated on July 1, 2025Conference Poster Ophthalmology Genetics COL4A1 Retina AuthorsEhsan MisaghiAuthorsA. RadziwonAuthorsN. SheriAuthorsPeter KannuAuthorsMatthew D. Benson← AI in Research: Technical Skills Workshop October 3, 2025A novel splice variant in COL4A1 results in retinal arterial tortuosity and HANAC syndrome in a multi-generational family June 1, 2025 →