Ophthalmology In retinitis pigmentosa, “night-blindness” is an early symptom of visual loss. Which of the following explains this phenomenon? A Cones are relatively preserved compared to ganglion cells B Cones are relatively preserved compared to rods C Ganglion cells are relatively preserved compared to cones D Ganglion cells are relatively preserved compared to rods 💡 Explanation In retinitis pigmentosa, "night-blindness" is an early symptom of visual loss. Which of the following explains this phenomenon? ✓ Correct Answer: B. Cones are relatively preserved compared to rods