Indian Journal of Clinical and Experimental Ophthalmology

Print ISSN: 2395-1443

Online ISSN: 2395-1451

CODEN : IJCEKF

Indian Journal of Clinical and Experimental Ophthalmology (IJCEO) is open access, a peer-reviewed medical journal, published quarterly, online, and in print, by the  Innovative Education and Scientific Research Foundation (IESRF) since 2015. To fulfill our aim of rapid dissemination of knowledge, we publish articles ‘Ahead of Print’ on acceptance. In addition, the journal allows free more...


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Original Article


Article page

537-540


Authors Details

Nida Khan*, Prakash Agarwal, Saroj Gupta, Khalid Khan


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To measure angle of anterior chamber using Topcon SD-OCT: A new technique


Original Article

Author Details : Nida Khan*, Prakash Agarwal, Saroj Gupta, Khalid Khan

Volume : 7, Issue : 3, Year : 2021

Article Page : 537-540

https://doi.org/10.18231/j.ijceo.2021.106



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Abstract

Background: The proposed new method of measuring angle of anterior chamber is an effective method of measuring the angles. Identification of narrow anterior chamber angle is important for glaucoma screening and prophylactic treatment prevents acute angle closure glaucoma event.
Aim of this study wasto measure the angle of anterior chamber using Topcon spectral domain optical coherence tomography (SD OCT).
Materials and Methods: In this cross-sectional study 120 normal subjects above the age of 40 years were enrolled. The study was done at the tertiary health care center of central Indian. All volunteers had visual acuity of at least 6/9 with no ocular diseases. Using OCT the angle opening distance (AOD-500), trabecular–iris angle (TIA) and trabecular-iris space area (TISA-500) were measured.
Result: In this study the mean AOD was 0.430 µm in nasal and 0.433 µm in temporal quadrant. The mean TISA in nasal was 0.405 µm and temporal quadrant was 0.408 µm. While the mean trabecular iris angle (TIA) was 26.9° in nasal and 26.01° in temporal quadrant.
Conclusion: The study proved that the proposed method of measuring AOD, TISA, TIA is the effective method as the Topcon-2000 OCT does not have any inbuilt software like that of other ASOCT machines.
 

Keywords: Angle measurement, New technique, Topcon–SD-OCT.


How to cite : Khan N, Agarwal P, Gupta S, Khan K, To measure angle of anterior chamber using Topcon SD-OCT: A new technique. Indian J Clin Exp Ophthalmol 2021;7(3):537-540

Copyright © 2021 by author(s) and Indian J Clin Exp Ophthalmol. This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License (creativecommons.org)







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