Correlation of Tear Film Osmolarity to Single Signs of DES
Tear film osmolarity was correlated to all 6 signs of dry eye. No correlation of
Tearlab osmolarity was seen with subjective symptoms of DES, as documented by
the OSDI questionnaire (fig. 3), break-up time, Schirmer test values (fig. 4), the presence
or absence of corneal/conjunctival staining, and blepharitis. Moreover, tear film