Retina & Vitreous · NEET PG Preparation Ophthalmology
A 45-year-old male with type 1 diabetes mellitus presents for routine eye checkup. Fundus examination reveals multiple microaneurysms, dot and blot h…
Practice question from Retina & Vitreous (NEET PG Preparation Ophthalmology), with the correct answer and a step-by-step solution.
easy · MCQ · Q-E9BE07
A 45-year-old male with type 1 diabetes mellitus presents for routine eye checkup. Fundus examination reveals multiple microaneurysms, dot and blot hemorrhages, hard exudates, and cotton-wool spots, but no neovascularization. How is this stage of diabetic retinopathy classified?
- A.Mild non-proliferative diabetic retinopathy
- B.Moderate non-proliferative diabetic retinopathy
- C.Severe non-proliferative diabetic retinopathyCorrect answer
- D.Proliferative diabetic retinopathy
Solution
According to the Early Treatment Diabetic Retinopathy Study (ETDRS) severity scale, severe non-proliferative diabetic retinopathy (NPDR) is characterized by any of the following (4-2-1 rule): microaneurysms/hemorrhages in all 4 quadrants, venous beading in 2 or more quadrants, or intraretinal microvascular abnormalities (IRMA) in 1 or more quadrants.
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