Breakup of the tear film.
D000367:Age Factors; D003042:Cocaine / Q000494:pharmacology; D003315:Cornea / Q000502:physiology; D005143:Eyelids / Q000502:physiology; D005260:Female; D005452:Fluoresceins; D006801:Humans; D008055:Lipids / Q000502:physiology; D008297:Male; D008722:Methods; D011430:Propoxycaine / Q000494:pharmacology; D012737:Sex Factors; D013499:Surface Properties; D013666:Tears / Q000187:drug effects / Q000502:physiology*; D013997:Time Factors
D005452:Fluoresceins; D008055:Lipids; D011430:Propoxycaine; D003042:Cocaine