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Color Vision Defects

  1. Maureen Neitz,
  2. Jay Neitz

Published Online: 27 JAN 2006

DOI: 10.1038/npg.els.0006000



How to Cite

Neitz, M. and Neitz, J. 2006. Color Vision Defects. eLS. .

Author Information

  1. Medical College of Wisconsin, Milwaukee, Wisconsin, USA

Publication History

  1. Published Online: 27 JAN 2006

This is not the most recent version of the article. View current version (15 SEP 2011)


Color blind individuals see many fewer colors than do people with normal color vision. Among color blind people there is tremendous variation in the capacity for color vision, ranging from no color vision to nearly normal color vision.


  • color vision deficiency;
  • cone photoreceptors;
  • red–green color vision;
  • congenital color vision defects;
  • cone photopigment