On wikipedia I recommend the articles on Filling in http://en.wikipedia.org/wiki/Filling-in and on Troxler's Fading http://en.wikipedia.org/wiki/Troxler%27s_fading
Dennett makes his argument in Consciousness Explained.
End Notes
Thanks for Charlotte Codina for taking the photo of the back of my eye and to Vaughan Bell for reading a draft of this guide.
Dennett, Daniel (1991), Allen Lane, ed., Consciousness Explained, The Penguin Press
Gregory, R. (1966). Eye and Brain: The Psychology of Seeing. London: Weidenfeld and Nicolson. See also http://www.richardgregory.org/
Komatsu, H. (2006). The neural mechanisms of perceptual filling-in. Nature Reviews Neuroscience, 7(3), 220-231. doi:10.1038/nrn1869
Matsumoto, M., & Komatsu, H. (2005). Neural responses in the macaque
