Changes in posterior corneal elevations after combined transepithelial photorefractive keratectomy and accelerated corneal collagen cross-linking: retrospective, comparative observational case series.

BMC Ophthalmol · 2016 · PMC4977714 · PMID 27502494

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did not reach statistical significanceno p-value reported

When calculated with the BFTE, the PRK group showed forward displacement of the posterior corneal surface, although it did not reach statistical significance.

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