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127173

Evaluation of Single-Step Trans-Epithelial Photorefractive Keratectomy Postoperative Corneal Haze with Oculus Corneal Densitometry

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Last updated: 22 Jan 2023

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Abstract

Aim: to evaluate post-operative corneal haze trans-epithelial photorefractive keratectomy and ensure significance of the corneal densitometry software as an objective tool for routine follow up. Methods: Trans-epithelial photorefractive keratectomy using the Amaris 1050RS excimer laser (SCHWIND eye-tech-solutions GmbH, Kleinostheim, Germany) with contralateral eye control through conventional alchohol assisted photorefractive keratectomy to 44 eyes in a 22 patients with post-operative 6-month follow-up. Assessing corneal haze objectively through imaging with the Pentacam ® HR (Oculus Optikgeräte GmbH) corneal densitometry setting with subjective clinical examination to ensure sensitivity and specificity.   Results: comparable clinical haze grading with faster haze resolution in the t-PRK after 3 month (P = 0.48). Objective haze assessment showed no significance, but with data parameters explaining the clinical haze. Epithelial healing after 3 days was 90.9% in t-PRK and 59.1% in c-PRK (P = 0.015). The dryness assessment was comparable (P = 0.191). Conclusion: comparable results between the two groups with faster haze and visual recovery in t-PRK. Corneal densitometry proved a good tool for following up corneal haze along with the clinical assessment expressing good correlation.

DOI

10.21608/bmfj.2020.127173

Keywords

Trans-epithelial Photorefractive Keratectomy, Corneal haze, corneal densitometry

Authors

First Name

Anas

Last Name

Adel

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Affiliation

Department of Ophthalmology, Helwan University, Egypt

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First Name

Yousry

Last Name

Fekry

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Affiliation

Department of Ophthalmology, Benha faculty of medicine, Benha University, Egypt.

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First Name

Mona

Last Name

Sharawy

MiddleName

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Affiliation

Department of Ophthalmology, Benha faculty of medicine, Benha University, Egypt.

Email

monasharawy1984@gmail.com

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Orcid

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First Name

Haitham

Last Name

Fayek

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-

Affiliation

Department of Ophthalmology, Benha faculty of medicine, Benha University, Egypt.

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Volume

37

Article Issue

special issue (Surgery)

Related Issue

19309

Issue Date

2020-12-01

Receive Date

2020-12-03

Publish Date

2020-12-01

Page Start

55

Page End

65

Print ISSN

1110-208X

Online ISSN

2357-0016

Link

https://bmfj.journals.ekb.eg/article_127173.html

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https://bmfj.journals.ekb.eg/service?article_code=127173

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5

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Original Article

Type Code

787

Publication Type

Journal

Publication Title

Benha Medical Journal

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https://bmfj.journals.ekb.eg/

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Article

Created At

22 Jan 2023