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   Table of Contents      
LETTER TO THE EDITOR
Year : 2019  |  Volume : 67  |  Issue : 10  |  Page : 1780

Comparison of central corneal thickness measurements using different imaging devices and ultrasound pachymetry


1 Department of Ophthalmology, Ondokuz Mayis University Faculty of Medicine, Samsun, Turkey
2 Department of Ophthalmology, Merzifon Kara Mustafa Pasa State Hospital, Amasya, Turkey
3 Department of Ophthalmology, Samsun Gazi State Hospital, Samsun, Turkey

Date of Web Publication23-Sep-2019

Correspondence Address:
Dr. Hilal Eser-Ozturk
Department of Ophthalmology, Ondokuz Mayis Universitesi, Tip Fakultesi, Goz Hastaliklari Anabilim Dali, 55139 Samsun
Turkey
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijo.IJO_764_19

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How to cite this article:
Can E, Eser-Ozturk H, Duran M, Cetinkaya T, Arıturk N. Comparison of central corneal thickness measurements using different imaging devices and ultrasound pachymetry. Indian J Ophthalmol 2019;67:1780

How to cite this URL:
Can E, Eser-Ozturk H, Duran M, Cetinkaya T, Arıturk N. Comparison of central corneal thickness measurements using different imaging devices and ultrasound pachymetry. Indian J Ophthalmol [serial online] 2019 [cited 2019 Oct 21];67:1780. Available from: http://www.ijo.in/text.asp?2019/67/10/1780/267464



Sir,

We appreciate the comments by Mansoori T.[1] on our recently published article in Indian Journal of Ophthalmology.[2]

We would like to clarify the method of ultrasonic pachymetry (UP) measurements. Three consecutive measurements were taken three times (totally 9 measurements) by the same investigator and the mean value of these measurements were analyzed and compared. Because the UP is already considered as the gold standard method for measuring central corneal thickness (CCT), we thought we did not need to further investigate intra-operator and intra-session repeatability of CCT measurements with the UP. Regarding that the most reliable measurements are taken with UP, other three devices were compared with it.

We agree that the references for intra-observer repeatability of CCT measurements with Lenstar LS900, Galilei and Accutome PachPen UP should be stated in the article. Both of non-contact devices and UP showed high intra-observer repeatability for corneal thickness measurements in the literature.[3],[4],[5]

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.



 
  References Top

1.
Mansoori T. Comparison of central corneal thickness measurements using different imaging devices and ultrasound pachymetry. Indian J Ophthalmol 2019;67:1508.  Back to cited text no. 1
[PUBMED]  [Full text]  
2.
Can E, Eser-Ozturk H, Duran M, Cetinkaya T, Arıturk N. Comparison of central corneal thickness measurements using different imaging devices and ultrasound pachymetry. Indian J Ophthalmol 2019;67:496-9.  Back to cited text no. 2
[PUBMED]  [Full text]  
3.
Bjelos Roncevic M, Busic M, Cima I, Kuzmanovic Elabjer B, Bosnar D, Miletic D. Intraobserver and interobserver repeatability of ocular components measurement in cataract eyes using a new optical low coherence reflectometer. Graefes Arch Clin Exp Ophthalmol 2011;249:83-7.  Back to cited text no. 3
    
4.
Carvino A, Dominguez-Vicent A, Ferrer-Blasco T, Garcia-Lazaro S, Albarran-Diego C. Intrasubject repeatability of corneal power, thickness, and wavefront aberrations with a new version of dual rotating scheimflug-placido system. J Cataract Refract Surg 2015;41:186-92.  Back to cited text no. 4
    
5.
Peyman M, Tai LY, Khaw KW, Ng CM, Win MM, Subrayan V. Accutome PachPen handheld ultrasonic pachymeter: Intraobserver repeatability and interobserver reproducibility by personnel of different training devices. Int Ophthalmol 2015;35:651-5.  Back to cited text no. 5
    




 

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