Highest level disorders of vision constitute a topic that is allur ing, being obscure or even mysterious. For well over a century, neurologists have minutely studied visual receptors, the trans mission of the impulse, the vagaries of ocular movements and pupillary anomalies, but they have relatively neglected the prob lems of what supervenes when disease affiicts the most caudal areas of the visual apparatus. Even the drama of total blindness is something from which neuro-ophthalmologists have tended to avert their gaze. We still await a definitive, single-author work embracing the whole...