1920s: Animation of how lens of eye works. Text reads "The iris regulates the amount of light admitted." Pupils dilate and grow smaller.

  • ContributorAV Geeks
  • Resolution1920 x 1080
  • Duration
  • Frame Rate24 fps
  • Alpha ChannelNo
  • Model ReleaseNo
  • Property ReleaseNo
  • EditorialYes

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