Ophthalmology ETDRS vision cha study is done in patients with diabetic retinopathy. ETDRS stands for: A Extended therapy for diabetic retinopathy & its study B Emergency treatment for diabetic retinopathy and study C Eye testing or rotatory drum & its study D Early treatment for diabetic retinopathy study 💡 Explanation ETDRS vision cha study is done in patients with diabetic retinopathy. ETDRS stands for: ✓ Correct Answer: D. Early treatment for diabetic retinopathy study