Ophthalmology The ETDRS cha is used for visual evaluation in diabetic patients. What does ETDRS stand for A Extended treatment for diabetic retinopathy study B Early treatment for diabetic retinopathy study C Emergency treatment for diabetic retinopathy study D Emerging treatment for diabetic retinopathy study 💡 Explanation The ETDRS cha is used for visual evaluation in diabetic patients. What does ETDRS stand for ✓ Correct Answer: B. Early treatment for diabetic retinopathy study