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Captions:

Earth features clearly visible from space and agricultural areas.

Russian cosmonauts report improved vision after an extended time in space. A phenomenon called "second sight" or "space sight" that is being investigated.

Although some cosmonauts have indicated degraded depth perception during docking operations; US astronauts have not commented on this to a great degree.

This doesn't appear to be a problem in eye-brain performance as much as the result of the viewing of objects in the empty visual setting of space.