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Fig. 4 | BMC Ophthalmology

Fig. 4

From: Comparison between Wavefront-optimized and corneal Wavefront-guided Transepithelial photorefractive keratectomy in moderate to high astigmatism

Fig. 4

(a) SEQ error versus preoperative offset. (b) Difference vector versus preoperative offset. (c) Magnitude of error versus preoperative offset. (d) Absolute value of magnitude of error versus preoperative offset. (e) Angle of error versus preoperative offset. (f) Absolute value of angle of error versus preoperative offset. WFO, wavefront-optimized; CWFG, corneal wavefront-guided; SEQ, spherical equivalent; D, diopter

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BMC Ophthalmology

ISSN: 1471-2415

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