title: Visual-optical characteristics of caged and semifree-ranging monkeys.
mesh_terms: D000818:Animals; D000882:Haplorhini / Q000502:physiology*; D008251:Macaca / Q000502:physiology; D009216:Myopia; D009799:Ocular Physiological Phenomena; D012029:Refraction, Ocular; D013037:Spatial Behavior; D014787:Vision Tests; D014785:Vision, Ocular; D058609:Visual Field Tests