Download or read book Night Vision written by R. F. Hess and published by Cambridge University Press. This book was released on 1990-09-27 with total page 566 pages. Available in PDF, EPUB and Kindle. Book excerpt: This detailed 1990 book describes the light and dark adaptation of receptoral and post-receptoral mechanisms from a number of perspectives. The authors emphasise the importance of the study of achromatopsia, a rare congenital condition in which the visual mechanisms that mediate day vision are absent whilst those that mediate night vision remain intact.