COMPARISON BETWEEN THE EFFECT OF CONVENTIONAL PHOTOREFRACTIVE KERATECTOMY AND TRANS-EPITHELIAL PHOTOREFRACTIVE KERATECTOMY ON CONTRAST SENSITIVITY IN MILD TO MODERATE MYOPIA
Ali Khair-Eldin, N., Ghaith, A., El Hofy, A., El Habrok, M. (2020). COMPARISON BETWEEN THE EFFECT OF CONVENTIONAL PHOTOREFRACTIVE KERATECTOMY AND TRANS-EPITHELIAL PHOTOREFRACTIVE KERATECTOMY ON CONTRAST SENSITIVITY IN MILD TO MODERATE MYOPIA. EKB Journal Management System, 2(2), 79-79. doi: 10.21608/alexpo.2020.55577.1093
Nourhan Essam Ali Khair-Eldin; Alaa Atef Ghaith; Abd El Hamid Shaker El Hofy; Mohmed Hamdy El Habrok. "COMPARISON BETWEEN THE EFFECT OF CONVENTIONAL PHOTOREFRACTIVE KERATECTOMY AND TRANS-EPITHELIAL PHOTOREFRACTIVE KERATECTOMY ON CONTRAST SENSITIVITY IN MILD TO MODERATE MYOPIA". EKB Journal Management System, 2, 2, 2020, 79-79. doi: 10.21608/alexpo.2020.55577.1093
Ali Khair-Eldin, N., Ghaith, A., El Hofy, A., El Habrok, M. (2020). 'COMPARISON BETWEEN THE EFFECT OF CONVENTIONAL PHOTOREFRACTIVE KERATECTOMY AND TRANS-EPITHELIAL PHOTOREFRACTIVE KERATECTOMY ON CONTRAST SENSITIVITY IN MILD TO MODERATE MYOPIA', EKB Journal Management System, 2(2), pp. 79-79. doi: 10.21608/alexpo.2020.55577.1093
Ali Khair-Eldin, N., Ghaith, A., El Hofy, A., El Habrok, M. COMPARISON BETWEEN THE EFFECT OF CONVENTIONAL PHOTOREFRACTIVE KERATECTOMY AND TRANS-EPITHELIAL PHOTOREFRACTIVE KERATECTOMY ON CONTRAST SENSITIVITY IN MILD TO MODERATE MYOPIA. EKB Journal Management System, 2020; 2(2): 79-79. doi: 10.21608/alexpo.2020.55577.1093

COMPARISON BETWEEN THE EFFECT OF CONVENTIONAL PHOTOREFRACTIVE KERATECTOMY AND TRANS-EPITHELIAL PHOTOREFRACTIVE KERATECTOMY ON CONTRAST SENSITIVITY IN MILD TO MODERATE MYOPIA

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Article 50, Volume 2, Issue 2, October 2020, Page 79-79  XML
Document Type: Preliminary preprint short reports of original research
DOI: 10.21608/alexpo.2020.55577.1093
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Authors
Nourhan Essam Ali Khair-Eldin email 1; Alaa Atef Ghaith2; Abd El Hamid Shaker El Hofy2; Mohmed Hamdy El Habrok2
1Alexandria University, faculty of Medicine, Department of Ophthalmology, Alexandria, Egypt
2Department of ophthalmology, faculty of medicine, Alexandria university, Alexandria ,Egypt
Abstract
The popularity of refractive surgery to correct ametropia is increasing, to become among the most commonly performed procedures in medicine. PRK was the first type of surface ablation procedure (refractive eye surgery) used a laser rather than a blade to remove the corneal tissue.
Removing of the epithelium in PRK was performed by several techniques including: conventional (mechanical, chemical) or trans-epithelial PRK. Single-step trans-PRK using Amaris excimer laser is a new treatment in which the epithelial removal is using a population-based epithelial profile; this type combines the epithelial and the stromal laser ablation in one step.
Many patients complain of halo, glare and blurred vision at night after successful corneal refractive surgery . High order aberrations and changes in contrast sensitivity are expected to be a causes of their complains. Wave-front technology has been developed enough in the last years to have an accurate measurements, diagnoses and treatment of HOAs.
Keywords
Conventional Photorefractive Keratectomy; Trans-epithelial Photorefractive Keratectomy; High order aberrations; Contrast Sensitivity
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