title: Factors affecting tear film breakup in normal eyes.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000779:Anesthetics, Local; D001565:Benzoates / Q000494:pharmacology; D002648:Child; D003315:Cornea / Q000502:physiology; D005143:Eyelids / Q000502:physiology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012737:Sex Factors; D013666:Tears; D013997:Time Factors
chemical_list: D000779:Anesthetics, Local; D001565:Benzoates