Ophthalmology What is the angle subtended by the largest letter in the Snellen cha on a person’s eye who is reading it from a distance of 6 meters? A 1 minute B 10 minutes C 50 minutes D 60 minutes 💡 Explanation What is the angle subtended by the largest letter in the Snellen cha on a person's eye who is reading it from a distance of 6 meters? ✓ Correct Answer: C. 50 minutes