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. 2020 Jun 19;20:243. doi: 10.1186/s12886-020-01515-9

Fig. 2.

Fig. 2

Percentages of eye of correction error in spherical equivalent refraction (SER) (postoperative SER subtracted intended target) 12 months after surgery (a). Relationship between attempted and achieved spherical equivalent refraction (SER) 12 months after surgery in group TPRK (b) and FS-LASIK (c)