Vision Science


Websites and online books

Eye, Brain and Vision
(David Hubel)
Complete textbook, free to read online or download.

Color Vision (Leo Hurvich)
Scans of the  1981 textbook by another important vision scientist.

Stockman, A., & Brainard, D. H. (2009).
Color vision mechanisms. From The Optical Society of America Handbook of Optics, 3rd edition, Volume III: Vision and Vision Optics. New York: McGraw Hill.

Mollon, J. D. (2003) The origins of modern color science. From Shevell, S. (Ed) Color Science, Optical Society of America, Washington.
Excellent chapter on the history of colour science after Newton.

Webvision: The Organization of the Retina and the Visual System (University of Utah).

Comprehensive medical website on vision science.

The Joy of Visual Perception  (Peter Kaiser): Online book on vision including colour vision; you can even ask the author questions (but read the book first!).

Visual Perception (Daniel Chandler): Various topics on visual perception (not colour)

Color Vision (De Valois and Webster)

Colour4Free (John Ryan Bembess)

The Physiology of the Senses. Transformations for Perception and Action (Tutis Vilis):
Elaborate demonstrations of The Eye, The Visual Cortex, Visual Perception of Objects and Motion and other topics (not colour vision) available as flash demonstrations and PDFs

Colour and Colour Vision: Background Information (Colour and Vision Research Laboratories).

The Bases of Colour Vision (Brian Wagner and Douglas Kline)

A Chronological History of Vision Research (Jack Yellott)

Sensation & Perception (M. Wesner, Lakehead University)

Online/downloadable interactive programs   


Vision Science Demonstrations and Publications (Hans Irtel).

PXLab Vision Demonstrations (Hans Irtel). (online) (older downloadable Widows program (CVD.exe), with notes for experimenting with various colour vision phenomomena)

Site also includes a collection of historical colour diagrams

Project LITE - Atlas of Visual Phenomena: Dozens of demonstrations of optical illusions and visual phenomena. NOTE: The demonstrations of additive and subtractive mixing used in the course are from this site: (Online or download - Windows/Mac)

Spektral (Pehr Sallstrom): Programme for visualising the relation between colour and spectral energy distribution (home page)

 Colour vision tests

Online Color Challenge (Xrite)

Isihara colour vision test

Optical Illusions


87 Optical Illusions & Visual Phenomena (Michael Bach).

Optical Illusions (eChalk): Outstanding illustrations of influence of surround on colour perception.

Akiyoshi's Illusion Pages (Akiyoshi Kitaoka)

Brightness illusion catalogue

Illusions and Demos (Edward Adelson):

Adelson, E., 2000. Lightness Perception and Lightness Illusions

Lightness Perception and Lightness Illusions (interactive movies based on Adelson paper)

The checkerboard shadow illusion:

Some more illusion sites: