Johannes Kepler on the eye and vision.
D000065:Accommodation, Ocular; D000715:Anatomy / Q000266:history; D005123:Eye / Q000033:anatomy & histology; D005858:Germany; D049670:History, 17th Century; D009799:Ocular Physiological Phenomena; D009885:Ophthalmology / Q000266:history*; D055095:Optics and Photonics / Q000266:history; D010827:Physiology / Q000266:history; D012030:Refractive Errors / Q000266:history; D014785:Vision, Ocular