Fig. 2From: Comparison of transepithelial and conventional photorefractive keratectomy in myopic and myopic astigmatism patients: a randomized contralateral trialThe images of corneal epithelial defect (CED) on operation day, and postoperative day 1, 2, and 3 in AÂ an eye after transepithelial PRK (tPRK), BÂ an eye after mechanical PRK (mPRK), and CÂ an eye after alcohol-assisted PRK (aaPRK). The CED area in each image is calculated using the ImageJ softwareBack to article page