Fig. 2From: Comparative in vitro effectiveness of a novel contact lens multipurpose solution on Acanthamoeba castellaniiPhotomicrographs of A. castellanii cysts commixed with various contact lens care solutions after staining with trypan blue. a. Sham (PBS) treatment. b. ASP-57 treatment after 15-min incubation. c. BioTrue treatment. d. Opti Free treatment. Arrows denote cellular debris from dead cyst (b.). All images at magnification × 400Back to article page