title: Tear substitutes in the treatment of dry eyes.
mesh_terms: D001361:Avitaminosis / Q000150:complications; D003095:Collagen Diseases / Q000150:complications; D003263:Contact Lenses, Hydrophilic; D005128:Eye Diseases / Q000188:drug therapy*; D006801:Humans; D007637:Keratoconjunctivitis / Q000150:complications / Q000188:drug therapy*; D008747:Methylcellulose / Q000627:therapeutic use; D011142:Polyvinyl Alcohol / Q000627:therapeutic use; D013262:Stevens-Johnson Syndrome / Q000150:complications; D013666:Tears; D014141:Trachoma / Q000150:complications
chemical_list: D011142:Polyvinyl Alcohol; D008747:Methylcellulose