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. 2020 Oct 20;14:3411–3419. doi: 10.2147/OPTH.S276381

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© 2020 Lee et al.

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Comparing safety of LASIK and PRK retreatment. Change from preoperative best-corrected distance visual acuity (BCVA, left). Postoperative uncorrected distance visual acuity (UDVA) compared to preoperative BCVA (right).