Fig. 2From: Can artificial tears prevent Acanthamoeba keratitis? An in vitro approachHistogram statistic of the CTC viability assay of Artelac® Splash, Optava Fusion™, Oculotect® and NEFF by flow cytometry at 2 h, 4 h, 6 h and 8 h incubation. R1: normal amoebae population; R2: altered smaller amoebae trophozoitesBack to article page