A 58-year-old woman with type 1 diabetes (HbA1c 8.5%) presents with sudden onset of floaters and blurred vision in the right eye for 2 days. On examination, visual acuity is hand movements in the right eye. Dilated fundoscopy shows dense vitreous hemorrhage obscuring the fundal view. B-scan ultrasonography confirms vitreous hemorrhage with an attached retina. What is the most appropriate next step in management?