Treatment of Vitreous Hemorrhage due to Proliferative Diabetic Retinopathy in Cipto Mangunkusumo Hospital During Pandemic Era (March 2020 - March 2022): Oral Presentation - Observational Study - Resident (The Indonesian Ophthalmologists Association (IOA, Perhimpunan Dokter Spesialis Mata Indonesia (Perdami)), 2023)