The goal of this clinical trial is to evaluate the safety and efficacy of intravitreal topotecan for the treatment of patients with rhegmatogenous retinal detachment due to proliferative vitreoretinopathy (PVR) or resulting from an open globe injury, and compare the outcomes to those who do no receive intravitreal topotecan. The main objectives it aims to achieve are: * to study the safety profile of intravitreal topotecan in the treatment of PVR * to evaluate the efficacy of intravitreal topotecan in treating PVR. Post-consent, participants will: * undergo vitrectomy (with or without scleral buckle) as part of standard treatment for retinal detachment. * receive intravitreal topotecan at the time of surgery, post-operative day 7 and post-operative day 28 (if randomized to receive the medication) * come in at post-operative day 1, 7, 28, 56, 84, 126 and 168 to undergo a complete ophthalmic exam along with a fundus photography and optical coherence tomography of the macula, have their intraocular pressure and visual acuity measured and their adverse events monitored, if any. Researchers will compare participants who receive intravitreal topotecan for PVR to those who do not to see if there is a significant variability in recurrence of retinal detachment, rate of retinal reattachment and PVR grade 6 months after surgery.
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Recurrence of rhegmatogenous retinal detachment secondary to PVR
Timeframe: 6 months after initial surgery, or last follow-up visit available