title: Metaphysical derivations of a law of refraction: Damianos and Grosseteste.
authors.forename: B S
authors.initials: BS
authors.lastname: Eastwood
mesh_terms: D049690:History, Ancient; D049692:History, Early Modern 1451-1600; D049691:History, Medieval; D049711:History, Modern 1601-; D009885:Ophthalmology / Q000266:history*; D006113:United Kingdom