Fig. 1From: Wavefront-optimized surface retreatments of refractive error following previous laser refractive surgery: a retrospective studyThree-month outcomes of wavefront-optimized PRK retreatment. a Uncorrected distance visual acuity. b Change in corrected distance visual acuity. c Spherical equivalent attempted vs. achieved. d Spherical equivalent refractive accuracy. e Refractive astigmatism f Stability of spherical equivalent refractionBack to article page