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. 2020 Jul 16;10:11754. doi: 10.1038/s41598-020-68254-1

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(A) H&E stained corneal epithelial histology. Epithelial structure remains intact 240 min after BSS application (i, ii, iv). NaOH destroyed epithelial architecture (iii, v). Scale bar 100 µm. (B) Transepithelial resistance (TER) displayed as bar charts with mean and standard error (error bars). TER was preserved until 60 min after BSS application. A small decrease in TER was evident 120 min after BSS application, with a substantial drop by 240 min. NaOH caused rapid loss of TER.