Chameleons use accommodation cues to judge distance.
D000065:Accommodation, Ocular; D000818:Animals; D001522:Behavior, Animal / Q000502:physiology; D004215:Distance Perception / Q000502:physiology*; D005123:Eye / Q000033:anatomy & histology; D008116:Lizards / Q000033:anatomy & histology / Q000502:physiology*; D009799:Ocular Physiological Phenomena; D014792:Visual Acuity