Abstract：
Purpose:To assess anterior corneal surface stability 12 months following hyperopic LASIK correction with a light propagation algorithm. Setting:Vissum Instituto Oftalmológico de Alicante, Universidad Miguel Hernández, Alicante, Spain. Methods:This retrospective consecutive observational study includes 37 eyes of 37 patients treated with 6th-generation excimer laser platform (Schwind Amaris). Hyperopic LASIK was performed in all of them by the same surgeon (JLA) and completed 12-month follow-up. Corneal topography was analyzed with a light propagation algorithm, to assess the stability of the corneal outcomes along one year of follow-up. Results:Between three and twelve months postoperatively, an objective corneal power (OCP) regression of 0.39 D and 0.41 D was found for 6 mm and 9 mm central corneal zone, respectively. Subjective outcomes at the end of the follow-up period were as follows: 65% of eyes had spherical equivalent within ±0.50 D. 70% of eyes had an uncorrected distance visual acuity 20/20 or better. 86% of eyes had the same or better corrected distance visual acuity. In terms of stability, 0.14 D of regression was found. No statistically significant differences were found for all the study parameters evaluated at different postoperative moments over the 12-month period. Conclusions:Light propagation analysis confirms corneal surface stability following modern hyperopic LASIK with a 6th-generation excimer laser technology over a 12-month period.
journal_name
J Ophthalmoljournal_title
Journal of ophthalmologyauthors
Gharaibeh AM,Villanueva A,Mas D,Espinosa J,Alió JLdoi
10.1155/2018/3060939subject
Has Abstractpub_date
2018-03-28 00:00:00pages
3060939eissn
2090-004Xissn
2090-0058journal_volume
2018pub_type
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