Figure 16: (a) Comparative therapeutic efficacy study of the DRZ loaded OCM-CSNPs, CSNPs, marketed formulation and control. (b) Application of ANOVA to efficacy data. Values are expressed as mean ± standard deviation, . Abbreviations: DRZ, dorzolamide hydrochloride; OCM-CSNPs, 6-O-carboxymethyl chitosan nanoparticles; CSNPs, chitosan nanoparticles; ANOVA, analysis of variance.