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Combination treatment resulted in more rapid decrease in IOP. In addition, the combination group had increased frequency and rapidity of regression of neovascularization. This study provides a foundation for further research and suggests consideration for a possible new paradigm for the treatment of NVG.

The subretinal delivery procedure in this study was associated with a high rate of retinal perforations (n = 13) and retinal detachments (n = 6). When cells were sequestered in the subretinal space, palucorcel was well tolerated and may be associated with improvements in visual acuity. Larger randomized controlled studies are required to confirm these results. Future studies would require a modified surgical approach.

Stem cell therapy is a promising treatment under active investigation in multiple retinal diseases. Ongoing clinical trials should yield further insights into the potential for stem cell-based retinal therapies.

The visual benefits of intravitreal bevacizumab for macular edema due to CRVO are apparent early but are not sustained without repeated injections. Larger clinical studies with long-term follow-up will be necessary to better elicit the best regimen for this therapy.

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Vitreoretinal complications occurred in 6.8% of patients undergoing therapy for retinoblastoma. These included retinal tears, rhegmatogenous and tractional retinal detachment, subretinal fibrosis, vitreous traction bands, preretinal fibrosis, and pseudo-vitreous seeding. They were more often seen when systemic chemotherapy was combined with external beam radiation, cryotherapy, and local chemotherapy.