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مقاله Abstract

Title: Clinical outcomes of Transepithelial Photorefractive Keratectomy in asymmetric astigmatism
Author(s): Soheil Adib-Moghaddam MD, Saeed Soleyman-Jahi MD MPH, Ghazzale Tefagh MD, Marjan Razi-Khosroshahi MD, Ali A.Haydar MD
Presentation Type: Poster
Subject: Cornea & lens
Presenting Author:
Name: Soheil Adib Moghaddam
Affiliation :(optional) TransPRK research group -Universal Council of ophthalmology; Bina Eye Hospital, Tehran, Iran
E mail:
Phone: 88071629
Mobile: 09121307751

To evaluate quantitative and qualitative visual outcomes of Transepithelial Photorefractive Keratectomy (TransPRK) in myopic patients with asymmetric astigmatism.


Sixty four eyes (32 patients) with myopia and asymmetric astigmatism were recruited in this 18-month prospective study at Bina Eye Hospital, Tehran, Iran, from July 2011 to November 2014. All of the eyes underwent one-step refined TransPRK by the same refractive surgeon (S.A.M.) using SCHWIND AMARIS 500 laser. Patients were followed for 18 months. Visual acuity, refraction, contrast sensitivity (CS) and spherical, coma and trefoil higher order aberration (HOA)s were assessed before and after the operation.


Fifty eyes (78.13%) belonged to female and 14 eyes (21.89%) to male patients. Mean age of the patients was 26.95±4.36. Mean preoperative spherical equivalent, astigmatism, logMAR UDVA and CDVA were -2.71±2.10, 1.33±1.05, 0.69±0.47 and 0.03±0.27, respectively and by 18 months follow up they improved to 0.01±0.09, 0.01±0.07, -0.07±0.16 and -0.12±0.06, respectively (P < 0.001 for all). All but one eye (98.31%) was within target±0.5 D of refraction. No eye lost two or more lines of preoperative CDVA. Both photopic and mesopic CSs improved (P=0.04 and 0.01, respectively). Ocular wave-front spherical aberration improved (P < 0.001); other ocular or corneal wave-front HOAs did not show a significant change.


This long-term data demonstrates efficacy and safety of refined TransPRK by AMARIS 500 laser in correction of myopia and asymmetric astigmatism.

Attachment: 20Soheil Adib-Moghddam IRAVO 2018.pptx

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  -  شب بهاری چشم پزشکی با رحیم شهریاری
  - دومین همایش بهاره چشم پزشکی