The European registry of quality outcomes for cataract and refractive surgery (EUREQUO): a database study of trends in volumes, surgical techniques and outcomes of refractive surgery

Table 6 Mean refractive outcome of patients undergoing various refractive procedures

Refractive procedure	Myopic treatment		Hyperopic treatment
	Mean postoperative refraction	STD	Mean postoperative refraction	STD
LASIK	0.041	0.517	0.172	0.638
LASEK	0.057	0.409	0.028	0.593
PRK	0.006	0.397	−0.053	0.777
Epi-LASIK	−0.032	0.308	0.000	0.177
RLE	0.051	0.460	0.185	0.513
Phakic IOL AC	0.015	0.735	−0.036	0.470

STD = Standard Deviation, LASIK = Laser-assisted in-situ keratomileusis, LASEK = Laser-Assisted Subepithelial Keratectomy, PRK = Photorefractive Keratectomy, Epi-LASIK = Epithelial LASIK, RLE = Refractive Lens Exchange, Phakic IOL AC = Phakic intra-ocular lens in anterior chamber.
Only the cases in which the target postoperative refraction was emmetropia, were included. Follow-up was 1-6 months. Refraction in Diopters.

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