A schematic eye for the opossum.
D000818:Animals; D003315:Cornea / Q000033:anatomy & histology; D005123:Eye / Q000033:anatomy & histology*; D007908:Lens, Crystalline / Q000033:anatomy & histology; D009799:Ocular Physiological Phenomena; D009893:Opossums / Q000033:anatomy & histology* / Q000502:physiology; D011680:Pupil / Q000502:physiology; D012029:Refraction, Ocular; D014794:Visual Fields