The is a blind spot on the retina, while the _ contains only cones and is the retinal area of greatest visual acuity.

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The optic disc is the location on the retina where the optic nerve exits the eye, creating a blind spot because it lacks photoreceptors. The fovea centralis, on the other hand, is a small depression in the retina containing only cones, which are responsible for sharp central vision and color vision, making it the area of greatest visual acuity.

The Is a Blind Spot on the Retina, While the _