Correction of Moderate to High Myopia: A Comparative Study

Abstract

Background: Myopia is a condition in which the eye's refraction (or ability to focus) is greater than what is required for good distant  vision. For individuals with moderate to severe myopia, the two main surgical techniques for correcting their vision are excimer laser  surgery and phakic intraocular lenses (IOLs).

Objectives: to evaluate the visual outcome between LASIK, transepithelial photorefractive keratectomy (trans-PRK) and implantable  collamer lenses for correction of moderate to high myopia.

Patients and Methods: This study was conducted on forty-five patients with moderate to high myopia (-4 to -10 diopters). It was carried  out at Ophthalmology Department at Menoufia University Hospital from April 2021 to October 2022.

Results: 8 patients (53.33%) had  operation on right eye and 7 patients (46.67%) had operationon left eye among transepithelial photorefractive keratectomy group. Also,  10 patients (66.67%) had operation on right eye and 5 patients (33.33%) had operation on left eye among implantable collamer lens  group. Also, 10 patients (66.67%) had operation on right eye and 5 patients (33.33%) had operation on left eye among laser assisted in  situ keratomileusis group,with no significant difference (P=0.685).

Conclusion: According to our study's findings, individuals with high  myopia who had ICL implantation had somewhat higher postoperative visual quality than those who had LASIK, particularly if their  corneal thickness was restricted and they had more refractive regression