Figure 6 of Kojima, Mol Vis 2014; 20:929-938.

Figure 6. Weight-adjusted tear quantity changes with two weeks of 3% topical diquafosol application in the Sod1-/- mice and wild type (WT) mice. Note the significant improvement in tear quantity in both the Sod1-/- and WT mice with 2 weeks of diquafosol sodium treatment. * represents p < 0.01.