,18 In 2013, Braun and colleagues19 were the first to report pathogenic deep-intronic ABCA4 variants, including a change in intron 36 (c.5196+1137G>A, reported there as “V1”) that was recurrently present in their primary as well as their validation cohort of patients with ABCA4-associated retinopathy. This evidence concerns the gene ABCA4 and retinal disorder.