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Fig. 4 | BMC Ophthalmology

Fig. 4

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

Fig. 4

Three-month safety, efficacy and spherical equivalent refractive accuracy after transepithelial PRK (tPRK), mechanical PRK (mPRK), and alcohol-assisted PRK (aaPRK), A Gain and loss of corrected distance visual acuity (CDVA), B Cumulative Snellen visual acuity (20/* or better), C Difference between postoperative uncorrected distance visual acuity (UDVA) and preoperative CDVA (Snellen lines), D accuracy of spherical equivalent refraction to intended target

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BMC Ophthalmology

ISSN: 1471-2415

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