A Phase 1/2, First-in-Human, Open-label, Assessor-Masked, Randomized, Controlled, Dose Escalation/Expansion Study to Evaluate the Safety, Tolerability and Preliminary Efficacy of a Subretinal Injection of SB-007 in Subjects With Stargardt Disease (STGD1) Caused by Bi-Allelic Autosomal Recessive Mutations in the ATP Binding Cassette Subfamily A Member 4 (ABCA4) Gene | Arctuva