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Laser Vision Correction After Radial Keratotomy: Systematic Review and Meta-Analysis Publisher Pubmed



Koosha N1 ; Riazi MS1 ; Janfaza P1 ; Mohammadbeigy I1 ; Rahimi A2 ; Khoshali M3 ; Pourazizi M1 ; Peyman A1
Authors
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Authors Affiliations
  1. 1. Isfahan Eye Research Center, Department of Ophthalmology, Isfahan University of Medical Sciences, Isfahan, Iran
  2. 2. Health Information Technology Research Center, Isfahan University Medical Sciences, Isfahan, Iran
  3. 3. Child Growth and Development Research Center, Research Institute for Primordial Prevention of Non-communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran

Source: Journal of Cataract and Refractive Surgery Published:2024


Abstract

Laser vision correction for residual refractive errors in patients with previous radial keratotomy (RK) presents a challenging task. Different techniques have been used with varying outcomes. This study aimed to systematically review published articles on refractive surgeries in post-RK patients by conducting a search on PubMed, Scopus, and Web of Science. The final analysis included 35 studies that described a total of 888 eyes. Our systematic review and meta-analysis demonstrated a significant improvement in uncorrected distance visual acuity (UDVA) for photorefractive keratectomy (PRK), topography-guided PRK, wavefront-guided PRK, and femtosecond laser-assisted in situ keratomileusis (LASIK) while mechanical microkeratome LASIK did not yield such significant improvements. Moreover, our results suggest that post-RK patients with hyperopia had a significant improvement in UDVA, whereas no such improvement was observed in patients with myopia. © 2024 Lippincott Williams and Wilkins. All rights reserved.
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