Binocular vision and accommodation in prey-catching chameleons

  title={Binocular vision and accommodation in prey-catching chameleons},
  author={Matthias Ott and Frank Schaeffel and Wolfgang Kirmse},
  journal={Journal of Comparative Physiology A},
Abstract We have studied the role of accommodation and binocular convergence in the predatory behaviour of two chameleon species (Chamaeleocalyptratus, C.dilepis). Accommodation measurements support earlier observations that accommodation is the major distance cue. Specifically, accommodation speed (60 D s−1), amplitude (45 D) and precision (no significant under-accommodation) were superior to those of other terrestrial vertebrates. Similar to other vertebrates, accommodation was accompanied by… 
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