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Fig. 1 | BMC Ophthalmology

Fig. 1

From: Comparison of outcomes after topography-modified refraction versus wavefront-optimized versus manifest topography-guided LASIK

Fig. 1

Refractive and visual outcomes in the wavefront-optimized group three months postoperative. (a) Cumulative distribution of uncorrected distance Snellen visual acuity (UDVA) compared with preoperative best-corrected distance visual acuity (BCVA). Forty-four (67.7%) and 60 (92.3%) eyes had a UDVA better than 20/16 and 20/20, respectively, at three months after surgery. (b) Scatter plots of attempted versus achieved manifest refraction spherical equivalent (MRSE). (c) Accuracy of MRSE. Forty-nine eyes (75.4%) had MRSE within ±0.75 D of emmetropia at three months after surgery. (d) Cumulative distribution of refractive astigmatism (RA) compared with the preoperative value. Thirty-seven (56.9%) and 48 (73.8%) eyes had an RA less than 0.25 D and 0.50 D, respectively, at three months after surgery

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