The Architecture of Sight

  • Cornea: transparent protective tissue
  • Iris: muscular ring that controls amount of light entering the pupil
  • Pupil: allows light through to retina
  • Lens: changes shape to allow focus at various distances
  • Retina: thin layer of tissue whose photoreceptor cells transmit signals to optic nerve and visual process centers in the brain
  • Macula: central portion of the retina that processes central field of vision and enables vision acuity

Get more information about the Byers Eye Institute at Stanford or call 650-723-6995.

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