Which photoreceptors are primarily affected in CSNB?

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Multiple Choice

Which photoreceptors are primarily affected in CSNB?

Explanation:
Rods are the photoreceptors most involved in CSNB. Night vision relies on rod cells, so when CSNB affects the way rod signals are transmitted to downstream neurons (often at the rod-to-bipolar cell stage), the result is impaired low-light vision. Cones handle daylight and color vision, and while some subtypes can show additional abnormalities, the hallmark and primary impact in CSNB is on the rod pathway. That’s why rods are the best answer here.

Rods are the photoreceptors most involved in CSNB. Night vision relies on rod cells, so when CSNB affects the way rod signals are transmitted to downstream neurons (often at the rod-to-bipolar cell stage), the result is impaired low-light vision. Cones handle daylight and color vision, and while some subtypes can show additional abnormalities, the hallmark and primary impact in CSNB is on the rod pathway. That’s why rods are the best answer here.

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