The district is a densely packed area, with an 1895 railroad bridge at its "visual center".

Without that, the visual centers cannot develop, and the kitten will be blind for life.

You felt you were seeing something, but the visual centers refused to agree.

The visual center behind each eye accepted light on a narrow band from the screen.

Even the visual centers of Rios's brain had come alive, despite the fact that his eyes were covered.

The optic nerve sends the signals to the visual center in the back of the brain.

In a moment the configuration of suns and worlds spread across the host's visual center.

This is a phenomenon that occurs in individuals with damage to the visual center of their brains.

And at the visual center of that civilization is not a personality or a story but a book called the Koran.

The astrosimulator works directly on the visual center of the human brain.