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Analysis of control human native corneas (CTR-C), control human native scleral limbi (CTR-L), and human artificial corneas (HAC) using hematoxylin–eosin (HE) and PAS histochemistry. Three samples were analyzed per type of tissue (n = 3). Images are shown at different magnifications for each method. Black arrows highlight illustrative PAS-positive areas in each sample. Scale bars: 50 μm
