title: Refractive and histological study of accommodation in two species of sharks (Ginglymostoma cirratum and Carcharhinus milberti).
mesh_terms: D000065:Accommodation, Ocular; D000818:Animals; D002924:Ciliary Body / Q000033:anatomy & histology*; D012029:Refraction, Ocular; D012754:Sharks / Q000033:anatomy & histology / Q000502:physiology*