Correction of myopic astigmatism by small incision lenticule extraction: does laterality matter?

Correction of myopic astigmatism by small incision lenticule extraction: does laterality matter?

To evaluate the outcome after astigmatic correction of small incision lenticule extraction (SMILE) and to compare the refractive results of right eyes with left eyes. Patients who underwent SMILE surgery in our clinic between 2014 and 2016 (Visumax, Carl Zeiss Meditec, Germany) were retrospectively...

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Bibliographic Details
Published in:Lasers in medical science Vol. 34; no. 2; pp. 311 - 316
Main Authors: Yildiz, Burcin Kepez, Urdem, Ufuk, Goksel Ulas, M., Yildirim, Yusuf, Agca, Alper, Fazil, Korhan, Aygit, Ebru D., Taskapili, Muhittin, Demirok, Ahmet
Format: Journal Article
Language:English
Published: London Springer London 01-03-2019
Springer Nature B.V
Subjects:
Astigmatism
Cylinders
Dentistry
Eye
Eye (anatomy)
Lasers
Medicine
Medicine & Public Health
Optical Devices
Optics
Original Article
Patients
Photonics
Quantum Optics
Surgery
Vector analysis
Laterality
Vector analysis
SMILE
Astigmatism
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Summary:To evaluate the outcome after astigmatic correction of small incision lenticule extraction (SMILE) and to compare the refractive results of right eyes with left eyes. Patients who underwent SMILE surgery in our clinic between 2014 and 2016 (Visumax, Carl Zeiss Meditec, Germany) were retrospectively reviewed. Preoperative and postoperative manifest refractions and corrected and uncorrected visual acuities were evaluated and changes in refractive astigmatism were evaluated by vector analysis. One hundred twenty-one eyes from 82 patients with myopic astigmatism were included. The mean preoperative spherical equivalent was − 6 ± 1.7 (range from − 9.50 to − 1.25) D and the mean cylinderical power was − 1.5 ± 0.6 (range from − 3.75 to − 1.00) D. Postoperatively 71.8% of eyes had < 0.50 D cylinder magnitude. Vector analysis results based on laterality revealed that correction index was 0.87 ± 0.3 for left eyes and 0.72 ± 0.3 for right eyes ( p 0.02). This study revealed that SMILE has favorable astigmatic correction affect but left eyes have better outcomes than right eyes.
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ISSN:0268-8921
1435-604X
DOI:10.1007/s10103-018-2591-9