title: Ballistic impact testing of scratched and unscratched ophthalmic lenses.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D005139:Eyeglasses / Q000592:standards*; D005898:Glass; D006245:Hardness Tests; D006358:Hot Temperature; D008887:Military Medicine; D010969:Plastics; D012116:Resins, Plant
chemical_list: D010969:Plastics; D012116:Resins, Plant