Fig. 3From: Eye irritation testing of nanomaterials using the EpiOcularâ„¢ eye irritation test and the bovine corneal opacity and permeability assayBovine cornea treated with negative control deionized water (10x, HE stain); HSI: 0. A Squamous cell layer; B wing cell layer; C Basal cell layer; D Stroma. Abbreviations: HE: Hematoxylin and Eosin; HSI: Histological score of irritationBack to article page