title: Proteus contaminates liquifilm tears.
mesh_terms: D000368:Aged; D003228:Conjunctiva / Q000382:microbiology; D004340:Drug Contamination; D006801:Humans; D009883:Ophthalmic Solutions; D011511:Proteus / Q000302:isolation & purification*
chemical_list: D009883:Ophthalmic Solutions