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dc.contributor.authorOzulken, Kemal
dc.contributor.authorKaderli, Ahmet
dc.date.accessioned2020-11-20T14:41:35Z
dc.date.available2020-11-20T14:41:35Z
dc.date.issued2019
dc.identifier.issn1120-6721
dc.identifier.issn1724-6016
dc.identifier.urihttps://doi.org/10.1177/1120672119865688
dc.identifier.urihttps://hdl.handle.net/20.500.12809/951
dc.descriptionWOS: 000479592900001en_US
dc.descriptionPubMed ID: 31353955en_US
dc.description.abstractPurpose: To evaluate the postoperative high-order aberration differences of femto-LASIK surgery in 6.5 and 7 mm optic zones. Patients and Methods: We retrospectively reviewed 80 eyes of 40 patients with myopia or myopia with astigmatism who underwent femtosecond LASIK surgery. Q values, z3, 3 (h. trefoil), z3, -3 (v. trefoil), z3, 1 (h. coma), z3, -1 (vertical coma), z4, 0 (spherical aberration), z5, -1 (second other v. coma), aberration coefficients were evaluated 3 months after surgery. Central corneal thicknesses, intraocular pressures, patient ages and genders, optical zone diameters and ablation depths are collected from patients' medical records. Results: The mean age was 28.4 +/- 0.69 years (range, 20-47 years). Lower z4, 0 spherical aberrations and aberration coefficient values were associated with larger optical zones (7 mm) (z4, 0 spherical aberrations = 1.25, p = 0.01; coefficient value = -1.21, p < 0.01). Although a smaller optical zone (6.5 mm) was associated with an increase in most of the wave-front aberration variables, measurements were not statistically different between the two groups other than z4, 0 spherical aberrations and aberration coefficients. Discussion: LASIK treatment with 6.5 and 7 mm optical zones is safe and effective for correcting myopia and myopic astigmatism and has statistically similar visual outcomes. Moreover, larger optical zone (7 mm) was found to be associated with lower spherical aberration induction and smaller aberration coefficient values compared to 6.5 mm optical zone. This can be important for decision-making in femto-LASIK surgery for better postoperative results.en_US
dc.item-language.isoengen_US
dc.publisherSage Publications Ltden_US
dc.item-rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectHigh-Order Aberrationsen_US
dc.subjectLaser in Situ Keratomileusisen_US
dc.subjectOptical Zonesen_US
dc.subjectRefractive Surgeryen_US
dc.titleThe effect of different optical zone diameters on the results of high-order aberrations in femto-laser-assisted in situ keratomileusisen_US
dc.item-typearticleen_US
dc.contributor.departmentMÜ, Tıp Fakültesi, Cerrahi Tıp Bilimleri Bölümüen_US
dc.contributor.institutionauthorKaderli, Ahmet
dc.identifier.doi10.1177/1120672119865688
dc.relation.journalEuropean Journal of Ophthalmologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US


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