Corneal Curvature Measurements Utilizing a New Swept-source Optical Coherence Tomography Tomey OA-2000® and Comparison With IOL Master® 500 in Pterygium Patients

Sains Medika

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Title Corneal Curvature Measurements Utilizing a New Swept-source Optical Coherence Tomography Tomey OA-2000® and Comparison With IOL Master® 500 in Pterygium Patients
 
Creator Hilmi, Mohd Radzi
Mohd Kamal, Khairidzan
Che Azemin, Mohd Zulfaezal
Ithnin, Mohd Hafidz
Md Mustafa, Md Muziman Syah
Yusof@Alias, Firdaus
Ahmad, Norsham
 
Subject Pterygium; Corneal Curvature; IOL Master 500; Tomey OA-2000; Corneal Topography
 
Description Introduction: Corneal curvature (CC) is an important anterior segment parameter. This study compared CC measurements conducted with two optical devices in pterygium eyes. Methods: Sixty pterygium eyes of 30 patients were enrolled in this study. CC was measured three times with the optical biometer and topography-keratometer Tomey OA-2000 (Tomey Corporation, Nagoya, Japan), then with partial optical coherence interferometry (PCI) IOL Master 500 (Carl Zeiss Meditec, Dublin, CA) and data were statistically analysed. Results: The measurements revealed in a mean CC of 43.86 ± 1.57 D with Tomey OA-2000 and 43.84 ± 1.55 D with IOL Master. Distribution of data is normal, and no significance difference in CC values was detected (P = 0.952) between the two devices. Correlation between CC measurements was highly significant (r = 0. 99; P < 0.0001). The mean difference of CC values between devices was 0.017 D and 95% limit of agreement was -0.088 to 0.12. Duration taken for measurements with the standard biometer IOL Master was longer (55.17 ± 2.24 seconds) than with Tomey OA-2000 (39.88 ± 2.38 seconds) in automatic mode. Duration of manual measurement with Tomey OA-2000 in manual mode was shorter (28.57 ± 2.71 seconds). Conclusion: In pterygium eyes, CC measured with Tomey OA-2000 and IOL Master showed similar values, and high correlation was observed between these two devices. This shows that both devices can be used interchangeably. Tomey OA-2000 is better in terms of faster to operate and has its own topography systems.
 
Publisher Fakultas Kedokteran; Universitas Islam Sultan Agung (UNISSULA)
 
Contributor International Islamic University Malaysia
 
Date 2018-11-11
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion

 
Format application/pdf
 
Identifier http://jurnal.unissula.ac.id/index.php/sainsmedika/article/view/2918
10.26532/sainsmed.v9i1.2918
 
Source Sains Medika: Jurnal Kedokteran dan Kesehatan; Vol 9, No 1 (2018): January - June 2018
2339-093X
2085-1545
10.26532/sainsmed.v9i1
 
Language eng
 
Relation http://jurnal.unissula.ac.id/index.php/sainsmedika/article/view/2918/pdf
 
Rights Copyright (c) 2018 Sains Medika
 

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