Femtosecond lenticule extraction for correction of myopia: a 6 month follow-up study

Ahmet Demirok,1 Alper Agca,2 Engin Bilge Ozgurhan,2 Ercument Bozkurt,2 Ugur Celik,2 Ali Demircan,2 Nimet Burcu Guleryuz,2 Kadir Ilker Cankaya,2 Omer Faruk Yilmaz3 1Department of Ophthalmology, Medeniyet University, Istanbul, Turkey; 2Beyoglu Eye Training and Research Hospital, Istanbul, Turkey, 3Pri...

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Autores principales:	Demirok A, Agca A, Ozgurhan EB, Bozkurt E, Celik U, Demircan A, Guleryuz NB, Cankaya KI, Yilmaz OF
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2013
Materias:	Ophthalmology RE1-994
Acceso en línea:	https://doaj.org/article/3de1640b21d9459dae42578343e434c1
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spelling	oai:doaj.org-article:3de1640b21d9459dae42578343e434c12021-12-02T03:34:55ZFemtosecond lenticule extraction for correction of myopia: a 6 month follow-up study1177-54671177-5483https://doaj.org/article/3de1640b21d9459dae42578343e434c12013-06-01T00:00:00Zhttp://www.dovepress.com/femtosecond-lenticule-extraction-for-correction-of-myopia-a-6-month-fo-a13281https://doaj.org/toc/1177-5467https://doaj.org/toc/1177-5483Ahmet Demirok,1 Alper Agca,2 Engin Bilge Ozgurhan,2 Ercument Bozkurt,2 Ugur Celik,2 Ali Demircan,2 Nimet Burcu Guleryuz,2 Kadir Ilker Cankaya,2 Omer Faruk Yilmaz3 1Department of Ophthalmology, Medeniyet University, Istanbul, Turkey; 2Beyoglu Eye Training and Research Hospital, Istanbul, Turkey, 3Private Practice, Istanbul, Turkey Aims: To report our initial experience with femtosecond lenticule extraction (FLEX) compared with femtosecond laser-assisted in situ keratomileusis (LASIK). Settings and design: This was a prospective pilot study carried out at the Refractive Surgery Department of the Beyoglu Eye Training and Research Hospital, Istanbul, Turkey. Materials and methods: Surgery was performed on both eyes of 14 consecutive patients with myopia or myopic astigmatism. Patients underwent FLEX in one eye and femtosecond LASIK (FemtoLASIK) in the other eye. The primary outcome was based on uncorrected distance visual acuity, corrected distance visual acuity, and spherical equivalent of the subjective manifest refraction, at 1 week, 1 month, and 6 months postsurgery. Statistical analyses were performed using PAWS Statistics 18. Unpaired Student’s t-test was used to compare the groups. Results: During the last follow-up visit (6 months postsurgery), the mean spherical was −0.37 ± 0.60 diopters (D) (range −1.00 to 0.50) (P < 0.001) and −0.25 ± 0.41 D (range −0.88 to 0.12 D) (P < 0.001) in the FLEX and FemtoLASIK eyes, respectively. The spherical was within ± 0.50 D of the intended correction in ten (72%) of the FLEX eyes and 12 (86%) of the FemtoLASIK eyes (P > 0.05). No complications occurred during surgery or the postoperative period. Conclusion: FLEX is a safe, effective, and predictable procedure for surgical correction of myopia. Refractive results were stabilized within the first postoperative week, and visual acuities were stabilized within the first month, comparable to FemtoLASIK. Keywords: FLEX, femtosecond laser-assisted in situ keratomileusisDemirok AAgca AOzgurhan EBBozkurt ECelik UDemircan AGuleryuz NBCankaya KIYilmaz OFDove Medical PressarticleOphthalmologyRE1-994ENClinical Ophthalmology, Vol 2013, Iss default, Pp 1041-1047 (2013)
institution	DOAJ
collection	DOAJ
language	EN
topic	Ophthalmology RE1-994
spellingShingle	Ophthalmology RE1-994 Demirok A Agca A Ozgurhan EB Bozkurt E Celik U Demircan A Guleryuz NB Cankaya KI Yilmaz OF Femtosecond lenticule extraction for correction of myopia: a 6 month follow-up study
description	Ahmet Demirok,1 Alper Agca,2 Engin Bilge Ozgurhan,2 Ercument Bozkurt,2 Ugur Celik,2 Ali Demircan,2 Nimet Burcu Guleryuz,2 Kadir Ilker Cankaya,2 Omer Faruk Yilmaz3 1Department of Ophthalmology, Medeniyet University, Istanbul, Turkey; 2Beyoglu Eye Training and Research Hospital, Istanbul, Turkey, 3Private Practice, Istanbul, Turkey Aims: To report our initial experience with femtosecond lenticule extraction (FLEX) compared with femtosecond laser-assisted in situ keratomileusis (LASIK). Settings and design: This was a prospective pilot study carried out at the Refractive Surgery Department of the Beyoglu Eye Training and Research Hospital, Istanbul, Turkey. Materials and methods: Surgery was performed on both eyes of 14 consecutive patients with myopia or myopic astigmatism. Patients underwent FLEX in one eye and femtosecond LASIK (FemtoLASIK) in the other eye. The primary outcome was based on uncorrected distance visual acuity, corrected distance visual acuity, and spherical equivalent of the subjective manifest refraction, at 1 week, 1 month, and 6 months postsurgery. Statistical analyses were performed using PAWS Statistics 18. Unpaired Student’s t-test was used to compare the groups. Results: During the last follow-up visit (6 months postsurgery), the mean spherical was −0.37 ± 0.60 diopters (D) (range −1.00 to 0.50) (P < 0.001) and −0.25 ± 0.41 D (range −0.88 to 0.12 D) (P < 0.001) in the FLEX and FemtoLASIK eyes, respectively. The spherical was within ± 0.50 D of the intended correction in ten (72%) of the FLEX eyes and 12 (86%) of the FemtoLASIK eyes (P > 0.05). No complications occurred during surgery or the postoperative period. Conclusion: FLEX is a safe, effective, and predictable procedure for surgical correction of myopia. Refractive results were stabilized within the first postoperative week, and visual acuities were stabilized within the first month, comparable to FemtoLASIK. Keywords: FLEX, femtosecond laser-assisted in situ keratomileusis
format	article
author	Demirok A Agca A Ozgurhan EB Bozkurt E Celik U Demircan A Guleryuz NB Cankaya KI Yilmaz OF
author_facet	Demirok A Agca A Ozgurhan EB Bozkurt E Celik U Demircan A Guleryuz NB Cankaya KI Yilmaz OF
author_sort	Demirok A
title	Femtosecond lenticule extraction for correction of myopia: a 6 month follow-up study
title_short	Femtosecond lenticule extraction for correction of myopia: a 6 month follow-up study
title_full	Femtosecond lenticule extraction for correction of myopia: a 6 month follow-up study
title_fullStr	Femtosecond lenticule extraction for correction of myopia: a 6 month follow-up study
title_full_unstemmed	Femtosecond lenticule extraction for correction of myopia: a 6 month follow-up study
title_sort	femtosecond lenticule extraction for correction of myopia: a 6 month follow-up study
publisher	Dove Medical Press
publishDate	2013
url	https://doaj.org/article/3de1640b21d9459dae42578343e434c1
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Femtosecond lenticule extraction for correction of myopia: a 6 month follow-up study

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