| BCVA | best corrected visual acuity |
| DR | diabetic retinopathy |
| DRSS | diabetic retinopathy severity scale |
| DME | diabetic macular edema |
| Fc | fragment crystallizable |
| NPDR | nonproliferative diabetic retinopathy |
| NVD | neovascularization of the disc |
| NVE | neovascularization elsewhere |
| NVI | neovascularization of the iris |
| RCT | randomized controlled trial |
| PDR | proliferative diabetic retinopathy |
| PRP | panretinal photocoagulation |
| PPV | pars plana vitrectomy |
| PRN | pro re nata |
| T&E | treat and extend |
| VEGF | vascular endothelial growth factor |
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