title: Letter: Refraction of the periphery of the eye.
mesh_terms: D005123:Eye / Q000033:anatomy & histology*; D006801:Humans; D007908:Lens, Crystalline / Q000502:physiology; D009799:Ocular Physiological Phenomena; D012029:Refraction, Ocular; D012160:Retina; D014785:Vision, Ocular