Ophthalmology What is the angle subtended by the topmost letter in the Snellen’s chart at the Nodal point of the eye when the person seeing it at 6m from the chart? A 5 min B 10 min C 40 min D 50 min 💡 Explanation What is the angle subtended by the topmost letter in the Snellen's chart at the Nodal point of the eye when the person seeing it at 6m from the chart? ✓ Correct Answer: D. 50 min