title: Age-related changes in human tear composition and stability.
authors.affiliation: Nuffield Laboratory of Ophthalmology, University of Oxford, Oxford, United Kingdom.
authors.forename: John M
authors.initials: JM
authors.lastname: Tiffany
authors.forename: Scott M
authors.initials: SM
authors.lastname: Gouveia
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D000375:Aging / Q000502:physiology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D013500:Surface Tension; D013666:Tears / Q000737:chemistry* / Q000502:physiology*; D013997:Time Factors