A Comparative Assessment of changes in High Order Aberrations Before and after ‎customized ablation photorefractive keratectomy in Hyperopic and Hyperopic ‎Astigmatism Patients

Samar  Nasehi; Shahrokh  Ramin; Mohammad  Alizadeh Amiri; Mehdi  Yaseri; Mohammad  Negaresh

Journal of Clinical Research in Paramedical Sciences

The Official Journal of Paramedical School, KUMS

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A Comparative Assessment of changes in High Order Aberrations Before and after ‎customized ablation photorefractive keratectomy in Hyperopic and Hyperopic ‎Astigmatism Patients

Author(s):

Samar Nasehi^1,*,

Shahrokh Ramin²,

Mohammad Alizadeh Amiri²,

Mehdi Yaseri³,

Mohammad Negaresh⁴

1MSC Student of Optometry, School of Rehabilitation, Shahid Beheshti University of Medicine, Tehran, Iran

2Department of Optometry, Faculty of Rehabilitation of Shahid Beheshti University of Medicine, Tehran, Iran

3Department of Statistics, Faculty of Rehabilitation of Shahid Beheshti University of Medicine, Tehran, Iran

4Medical Practitioner, Azad University of Medicine, Tehran, Iran

Journal of Clinical Research in Paramedical Sciences:Vol. 5, issue 1; e81447

Published online:Apr 16, 2016

Article type:Research Article

Received:Aug 14, 2015

Accepted:Jan 29, 2016

How to Cite:Nasehi S, Ramin S, Alizadeh Amiri M, Yaseri M, Negaresh M. A Comparative Assessment of changes in High Order Aberrations Before and after ‎customized ablation photorefractive keratectomy in Hyperopic and Hyperopic ‎Astigmatism Patients. J Clin Res Paramed Sci. 2016;5(1):e81447. doi:

Abstract

Background and Aims: The previous studies have shown and with the knowledge of the complications of surgeries and improvements in the field of surgeries, customized photorefractive keratectomy(PRK) as a new method of surgery.This study is a comparative assessment of changes in High Order Aberration in Hyperopic and Hyperopic Astigmatism Patients pre- and post- customized ablation photorefractive keratectomy..

Materials and Methods: This cross-sectional study,20 eyes of 12 patients (8 female and 4 male) were underwent customized PRK technique by technolas 217p. The patients were divided into three groups based on the amount of subjective hypropia,hyperopia between +0.50 and +1.75D have been as the mild hyperopia group,hyperopia between +2.00 and +3.00D as moderate and high hyperopia group were included hyperopia between +3.25 and +5.00D. Subjective refraction ,best corrected visual acuity(BCVA) and high order aberration with 6 millimeter pupil was measured pre- and postoperatively.

Results: High order aberrations(HOA) was increased in each hyperopic groups especially in high hyperopia group.

Conclusion: Customized PRK surgery can be used as an effective, secure and predictable method of surgery for correction of hyperopia up to 3D but for patients with higher than 3 diopter of hypriopia it doesn’t seem like an effective method.

Keywords

Hyperopia

Customized photorefractive Keratectomy

High order aberration

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Author(s):

Samar Nasehi:[PubMed][Scholar]
Shahrokh Ramin:[PubMed][Scholar]
Mohammad Alizadeh Amiri:[PubMed][Scholar]
Mehdi Yaseri:[PubMed][Scholar]
Mohammad Negaresh:[PubMed][Scholar]

The Official Journal of Paramedical School, KUMS

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A Comparative Assessment of changes in High Order Aberrations Before and after ‎customized ablation photorefractive keratectomy in Hyperopic and Hyperopic ‎Astigmatism Patients

Abstract

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