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. 2022 Jan 7;12:794805. doi: 10.3389/fgene.2021.794805

FIGURE 3.

FIGURE 3

Approaches to retinal delivery of gene-based therapies for inherited retinal diseases. Intravitreal injection and the more recently developed suprachoroidal injection may be given as an outpatient clinic-based procedure with multiple repeat injections possible. Subretinal injection is a formal surgical procedure requiring pars plana vitrectomy and gas tamponade and is not easily repeated.