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  1. Portrait Of Vision Scientist: Ann Morris

    Ann Morris from the University of Kentucky studies the zebrafish (Danio rerio).  In particular, she studies the ability of zebrafish retinas to regenerate following retinal injury or damage.  Retinal regeneration is an interesting phenomenon that mammalians seem to lack and yet zebrafish manage to do this despite having a retina that in many ways is far […]

    Jul 30, 2014 — Read more 1 Comment
  2. Evolution of Sight in the Animal Kingdom

    This amazing video produced by the History Channel, Vision and Evolution of the Eye is well worth 40 minutes of your time.  The evolution of visual systems is something that we here at Webvision are very interested in.  Also note that we have an excellent chapter on the Evolution of Phototransduction, Vertebrate Photoreceptors and Retina by […]

    Jul 17, 2014 — Read more 1 Comment
  3. Blind Kenyan Runner Has Far-Reaching Vision

    NPR has a wonderful story of childhood friends, Henry Wanyoike and Joseph Kibunja who started running together as children 30 years ago and are still running in competition today.  That is a remarkable story enough, but even more compelling is that Wanyoike is blind from a stroke that cost him his sight and Kibunja is […]

    Jul 16, 2014 — Read more No Comments
  4. Moving Jumping Spider Retinas

    We’ve talked about jumping spiders before here on Webvision as they are an amazing animal with very well developed vision.  However, their retinas and visual pathways are very different from the vertebrate retinas in that they use image defocusing for depth perception rather than parallax like humans and other vertebrates do.  Figuring out spider vision has […]

    Jul 13, 2014 — Read more No Comments
  5. Now Available in Trichromatic Color! on Knowing Neurons

    There is a short but fun post over on Knowing Neurons that looks to be part of a series on color and how color is perceived.  Its got some great visuals by the guest author Raz and I can’t wait to see what she has to say about oppositional antagonism.

    Jul 11, 2014 — Read more No Comments
  6. Benham’s Top Illusion

    Benham’s Top or Benham’s disk is named after Charles Benham, a toy maker but also an amateur scientist who contributed and published articles to the likes of Nature.  Benham’s observation with a toy top was relayed through an article in Nature in 1894 that described a visual phenomenon generated by a toy top painted like […]

    Jul 9, 2014 — Read more No Comments