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Fig. 2 | BMC Ophthalmology

Fig. 2

From: Effects of varying illumination on ocular aberrations and aberration compensation before and after small incision Lenticule extraction: a prospective cohort study

Fig. 2

Pre- and postoperative differences in compensation for S3 to S6. (a) The proportion of eyes that exhibited a preoperative compensation effect for fourth-order aberrations (red) is significantly higher under mesopic illumination than under photopic illumination; chi-square test. (b) The proportion of eyes that exhibited a postoperative compensation effect for third- to sixth-order aberrations does not differ significantly between mesopic and photopic illumination; Chi-squared test. (S3, third-order aberration; S6, sixth-order aberration)

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