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


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562-567


Authors Details

Bharathi N , Shwetha Kumari C, Ranjitha C Sadananda, Madhura M Khanapur, Sowmya Shree B V*


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Comparitive study between normal tension glaucoma and primary open-angle glaucoma


Original Article

Author Details : Bharathi N , Shwetha Kumari C, Ranjitha C Sadananda, Madhura M Khanapur, Sowmya Shree B V*

Volume : 7, Issue : 3, Year : 2021

Article Page : 562-567

https://doi.org/10.18231/j.ijceo.2021.110



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Abstract

Introduction: The study is conducted to determine the functional and structural differences between NTG and POAG, to assess the rate of conversion of NTG into POAG and its early intervention.
Materials and Methods: It is a hospital based prospective, cross-sectional study of 56 NTG and 56 POAG patients. History was taken and comprehensive ophthalmic examination with glaucoma work up was done.
Results: Majority of the patients belonged to the age group between 51 and 60 years i.e. 48.2% in NTG and 62.5% in POAG. Majority of the NTG patients i.e. 33 (58.9%) were females while 41(73.2%) were males in POAG. 40% of NTG patients had systemic association like bronchial asthma, diabetes, hypertension, ischemic heart disease and migraine. There was no significant difference in CDR between two groups. Inferior & temporal neuroretinal rim thinning was more common in NTG. While bipolar thinning & superior rim thinning was more common in POAG. There is significantly more thinning of RNFL in POAG than NTG. The mean deviation (MD) & pattern standard deviation (PSD) in visual fields between NTG & POAG showed no significant difference. Whereas the field loss was near centre of fixation in NTG group compared to POAG which was diffuse.
Conclusion: These differences between NTG and POAG suggest that the pathogenesis of NTG includes IOP and IOP independent risk factors, while IOP is the main risk factor in POAG. The parameters assessed determine the risk and progression of NTG to POAG.
 

Keywords: NTG, OPTIC DISC CDR, NRR, POAG, RNFL.


How to cite : Bharathi N, Shwetha Kumari C, Sadananda R C, Khanapur M M, Sowmya Shree B V, Comparitive study between normal tension glaucoma and primary open-angle glaucoma. Indian J Clin Exp Ophthalmol 2021;7(3):562-567

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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