What is the most common cause of vitreous hemorrhage in diabetic retinopathy?
ANon-proliferative diabetic retinopathy
BProliferative diabetic retinopathy
CSevere non-proliferative diabetic retinopathy
DDiabetic macular edema
Pneumoretinopexy is an outpatient procedure in which retinal detachment is sealed with air insufflation. Which of the following gases is used in pneumoretinopexy?
ANitrous oxide
BOxygen
CSulfur hexafluoride
DCarbon dioxide
A diabetic patient presents to you with visual acuity of 6/9 in one eye. Further investigations revealed preretinal hemorrhages with neovascularization at the optic disc. What is the next step in management?
AFocal laser photocoagulation
BPan-retinal photocoagulation
CGrid laser photocoagulation
DScleral buckling
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