title: Laboratory studies.
mesh_terms: D003261:Contact Lenses; D003315:Cornea / Q000502:physiology; D006801:Humans; D006863:Hydrogen-Ion Concentration; D009799:Ocular Physiological Phenomena; D009997:Osmotic Pressure; D010100:Oxygen / Q000502:physiology; D013666:Tears / Q000032:analysis / Q000502:physiology
chemical_list: D010100:Oxygen