Sistem pandulu
Sistem pandulu iku péranganing sistem indra kang agawé organisme bisa ndeleng. Sistem pandulu nafsiraké informasi saka cahya kanggo represèntasi donya ing saubengé awak. Mata minangka piranti utama sistem iki.

Rujukan 
David Hunter Hubel (1989), Eye, Brain and Vision. New York: Scientific American Library.
David Marr (1982), Vision: A Computational Investigation into the Human Representation and Processing of Visual Information. San Francisco: W. H. Freeman.
R.W. Rodiek (1988). "The Primate Retina". Comparative Primate Biology Vol. 4 of Neurosciences. (H.D. Steklis and J. Erwin, editors.) pp. 203–278. New York: A.R. Liss.
Matthew Schmolesky, The Primary Visual Cortex 
Martin J. Tovée (1996), An introduction to the visual system. Cambridge University Press, ISBN 0-521-48339-5 (References, pp. 180–198. Index, pp. 199–202. 202 pages.)
Andreas Vesalius (1543) De Humani Corporis Fabrica (On the Workings of the Human Body)
Torsten Wiesel and David Hubel (1963), "The effects of visual deprivation on the morphology and physiology of cell's lateral geniculate body". Journal of Neurophysiology 26, 978-993.

Pranala njaba 
"Webvision: The Organization of the Retina and Visual System" - John Moran Eye Center at University of Utah
VisionScience.com - An online resource for researchers in vision science.
Journal of Vision - An online, open access journal of vision science.
Hagfish research has found the “missing link” in the evolution of the eye. See: Nature Reviews Neuroscience. 

 
Sistem indriya