Fig. 1: Standard graphs for reporting refractive outcomes for the two-step PTK-PRK group at sic months postop.

A Uncorrected Distance Visual Acuity. B Change in Corrected Distance Visual Acuity. C Attempted vs Achieved Spherical Equivalent. D Spherical Equivalent Refractive Accuracy. E Refractive Astigmatism. F Stability of Spherical Equivalent Refraction. (CDVA corrected distance visual acuity, PTK-PRK Phototherapeutic keratectomy-photorefractive keratectomy, UDVA uncorrected distance visual acuity).