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For the first time, the smallest control system of vision in mammals has been mapped—a discovery that opens entirely new ...

painless vision loss in one eye, vision that appears shadowed or darkened, a partial or complete loss of visual field (such as seeing only the upper or lower half of what is in front). HOW DOES ...

A new study has demonstrated that the brains of people who experience migraines and other types of headaches cannot modulate visual stimulation in the same way a person without these conditions can.