primary visual striate cortex

is located largely on the medial surface of the occipital lobe. This is where visual images, having been dissected by the retina, begin to be reassembled for further processing (in adjacent areas).

Exercise might help your vision

A study involving 18 volunteers who performed a simple orientation discrimination while on a stationary bicycle, has found that low-intensity exercise boosted activation in the visual cortex, compared with activation levels when at rest or during high-intensity exercise.

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