In the fovea, each receptor ends up has its own unique connection to the brain.

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In the fovea, each cone photoreceptor has its own individual connection to a single bipolar cell and a single ganglion cell, which allows for highly detailed vision. This is known as the "one-to-one" principle. However, in the periphery of the retina, many rods can converge onto a single bipolar cell and ganglion cell, which reduces visual acuity but increases sensitivity to light.

In the Fovea, Each Receptor Ends Up Has Its Own