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Photorefractive Keratectomy for Residual Myopia after Myopic Laser In Situ Keratomileusis
Joint Authors
Bor’i, Ashraf
Solaiman, Kamal A. M.
Fouda, Sameh M.
Al-Nashar, Haitham Y.
Source
Issue
Vol. 2017, Issue 2017 (31 Dec. 2017), pp.1-5, 5 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2017-01-12
Country of Publication
Egypt
No. of Pages
5
Main Subjects
Abstract EN
Purpose.
To evaluate the safety, efficacy, and predictability of photorefractive keratectomy (PRK) on the corneal flap for correction of residual myopia following myopic laser in situ keratomileusis (LASIK).
Patients and Methods.
A retrospective study on eyes retreated by PRK on the corneal flap for residual myopia after LASIK.
All eyes had no enough stroma after LASIK sufficient for LASIK enhancement.
Data included spherical equivalent (SE), uncorrected and best corrected visual acuity (UCVA and BCVA), central pachymetry, corneal higher order aberrations (HOAs), corneal hysteresis (CH), corneal resistance factor (CRF), and corneal haze.
Results.
The study included 64 eyes.
Before PRK, the mean central pachymetry was 400.21±7.8 μm, the mean SE was −1.74±0.51 D, and the mean UCVA and BCVA were 0.35±0.18 and 0.91±0.07, respectively.
12 months postoperatively, the mean central corneal thickness was 382.41±2.61 μm, the mean SE was −0.18±0.32 D (P<0.01), and the mean UCVA and BCVA were 0.78±0.14 (P=0.01) and 0.92±0.13 (P>0.5), respectively.
The safety index was 1.01 and the efficacy index was 0.86.
No significant change was observed in corneal HOAs.
Conclusions.
Residual myopia less than 3 D after LASIK could be safely and effectively treated by PRK and mitomycin C with a high predictability.
This prevents postoperative ectasia and avoids the flap related complications but has no significant effect on HOAs.
American Psychological Association (APA)
Solaiman, Kamal A. M.& Fouda, Sameh M.& Bor’i, Ashraf& Al-Nashar, Haitham Y.. 2017. Photorefractive Keratectomy for Residual Myopia after Myopic Laser In Situ Keratomileusis. Journal of Ophthalmology،Vol. 2017, no. 2017, pp.1-5.
https://search.emarefa.net/detail/BIM-1185563
Modern Language Association (MLA)
Solaiman, Kamal A. M.…[et al.]. Photorefractive Keratectomy for Residual Myopia after Myopic Laser In Situ Keratomileusis. Journal of Ophthalmology No. 2017 (2017), pp.1-5.
https://search.emarefa.net/detail/BIM-1185563
American Medical Association (AMA)
Solaiman, Kamal A. M.& Fouda, Sameh M.& Bor’i, Ashraf& Al-Nashar, Haitham Y.. Photorefractive Keratectomy for Residual Myopia after Myopic Laser In Situ Keratomileusis. Journal of Ophthalmology. 2017. Vol. 2017, no. 2017, pp.1-5.
https://search.emarefa.net/detail/BIM-1185563
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1185563