Just 1 degree away from the fovea, cone density relative to its maximum at the foveola is about?

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Multiple Choice

Just 1 degree away from the fovea, cone density relative to its maximum at the foveola is about?

Explanation:
The most important idea is how quickly cone packing decreases as you move away from the fovea. The foveola has the highest cone density to support the sharpest vision. Just 1 degree away, the cone mosaic has thinned considerably, so the density is about one-tenth of that central maximum. This steep fall-off explains why acuity drops with even small eccentricities from the fovea. In practical terms, the density is roughly 0.1 of the peak, not closer to half, a fifth, or a twentieth.

The most important idea is how quickly cone packing decreases as you move away from the fovea. The foveola has the highest cone density to support the sharpest vision. Just 1 degree away, the cone mosaic has thinned considerably, so the density is about one-tenth of that central maximum. This steep fall-off explains why acuity drops with even small eccentricities from the fovea. In practical terms, the density is roughly 0.1 of the peak, not closer to half, a fifth, or a twentieth.

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