Comparison of transepithelial and conventional photorefractive keratectomy in myopic and myopic astigmatism patients: a randomized contralateral trial.

BMC Ophthalmol · 2022 · PMC8832736 · PMID 35148689

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may not be significantno p-value reported

Given that the main purpose of this study was to compare CED size in the first three postoperative days, and since the difference between the two groups in the first and second days after surgery may not be significant, a sample size of 40 in each group was considered.

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