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Fig. 1 | BMC Ophthalmology

Fig. 1

From: Clinical outcomes of single-step transepithelial photorefractive keratectomy and off-flap epipolis-laser in situ keratomileusis in moderate to high myopia: 12-month follow-up

Fig. 1

Visual outcomes after single-step transepithelial photorefractive keratectomy (TPRK) and off-flap epipolis-laser in situ keratomileusis (Epi-LASIK). A: cumulative 12-month postoperative uncorrected distance visual acuity (UDVA) and corrected distance visual acuity (CDVA); Changes in the Snellen lines of postoperative UDVA (B) and CDVA (C), compared with preoperative CDVA; D: accuracy of spherical equivalent refraction; E: attempted versus achieved changes in spherical equivalent refraction; F: distribution of preoperative and 12-month postoperative cylinder

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