Fig. 1

Comparison of changes in dry eye parameters before and after 3% diquafosol ophthalmic solution administration. Changes in subjective dry eye symptom scores (a), tear film break-up time (TFBUT) (b), corneoconjunctival staining scores (c), and Schirmer I test values (d) before (pre-treatment) and after 4 weeks of 3% diquafosol ophthalmic solution administration (post-treatment)