What is the typical ratio of rod cells to neuron cells?

The typical ratio of rod cells to neuron cells, particularly in the context of the human retina, is around 100:1. Rod cells, which are responsible for vision in low light conditions, vastly outnumber the neurons in the retinal circuitry that process visual information. This high ratio is crucial because it allows for more efficient light detection, as the many rod cells contribute their signals to fewer neurons, which then integrate those signals to create a coherent visual perception in low-light environments.

Given the other options, it is important to understand that while there are indeed many rod cells, the ratio presented as 10,000:1 is exaggerated and does not align with the biological realities of the retinal structure. Thus, the option reflecting a more realistic setup of 100:1 provides a solid context for understanding visual processing efficiency in the retina.