and it took moments for Sylveste to grasp that his eyes were only perceiving three of four images a second. The world moved with the stuttering motion of the pencil cartoons children made in the corners of books, flicked into life between thumb and forefinger. Every few seconds there were upsetting inversions of depth, when Falkender would appear to be a man-shaped recess carved into the cell’s wall, and sometimes part of his visual field would jam, not changing for ten or more seconds,
Restored sight only monochrome, and only with a 3-4 second scan rate
