BBS1 and retinal disorder: <h4>Purpose</h4>To analyze the clinical spectrum and natural history of patients with <i>BBS1</i>-associated retinopathy.<h4>Design</h4>A single-center retrospective, observational cohort study.<h4>Patients</h4>Molecularly confirmed patients with bi-allelic disease-causing variants in <i>BBS1</i>.<h4>Methods</h4>Clinical data were extracted from physical and electronic records.