Prescreening Study to Identify Potential Stargardt Participants for ACDN-01 Clinical Trials (STARPATH)

Key Who May Qualify: - Presence of mutations in the ABCA4 gene - ABCA4 retinopathy phenotype (Stargardt disease type 1 or cone-rod dystrophy) Key Who Should NOT Join This Trial: - The presence of pathogenic or likely pathogenic mutations in other genes known to cause cone-rod dystrophy or Stargardt maculopathy - Retinal disease other than ABCA4-related retinopathy - Presence of a medical condition (systemic or ophthalmic), psychiatric condition, including substance abuse disorder, or physical examination or laboratory finding that may in the opinion of the principal investigator and sponsor preclude adherence to the scheduled study visits, safe participation in the study, or affect the results of the study. Always talk to your doctor about whether this trial is right for you.