Potential benefit of intraocular pressure reduction in normal-tension glaucoma in South Korea

Gong Je Seong, Sae Heun Rho, Chang Sik Kim, Jong Il Moon, Michael Scott Kook, Yong Yeon Kim, Kyoung Tak Ma, Young Jae Hong, Lindsay A. Nelson, Bonnie Kruft, Jeanette A. Stewart, William C. Stewart

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Abstract

Purpose: The aim of this study was to evaluate the potential benefit of intraocular pressure (IOP) reduction in normaltension glaucoma (NTG) Asian adult patients in South Korea. Methods: This was a retrospective, multicenter analysis of 166 NTG Asian adult patients in South Korea. The patient population consisted of Korean patients with NTG with at least 5 years of records available for evaluation. Patients all had typical glaucomatous optic-disc and/or visual-field changes but had never had a recorded IOP >21 mmHg. Results: Overall, 48 (29%) patients were progressed and 116 (71%) were stable over the follow-up period. Of patients with IOPs ≤14mmHg (21/93), 23% progressed and ≥15mmHg (27/73) 37% progressed (P = 0.041). The mean IOP for the stable group was 14.0 ± 1.8 mmHg, whereas with the progressed group the average mean IOP was 14.4 ± 1.6 mmHg (P = 0.20). The mean peak IOP was 17.4 ± 2.2 mmHg in the stable group and 17.8 ± 2.0 mmHg in the progressed group (P = 0.26). Multivariate linear regression analysis did not any identify independent risk factors for progression, including age, gender, or mean and peak IOP. Conclusions: This study provides initial evidence that Korean patients with normal-tension glaucoma, treated to lower IOPs, may have a decreased incidence of progression over 5 years than those patients with higher IOPs. More research is required to confirm this finding.

Original languageEnglish
Pages (from-to)91-96
Number of pages6
JournalJournal of Ocular Pharmacology and Therapeutics
Volume25
Issue number1
DOIs
Publication statusPublished - 2009 Feb 1

ASJC Scopus subject areas

  • Ophthalmology
  • Pharmacology
  • Pharmacology (medical)

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    Je Seong, G., Rho, S. H., Sik Kim, C., Moon, J. I., Kook, M. S., Kim, Y. Y., Tak Ma, K., Jae Hong, Y., Nelson, L. A., Kruft, B., Stewart, J. A., & Stewart, W. C. (2009). Potential benefit of intraocular pressure reduction in normal-tension glaucoma in South Korea. Journal of Ocular Pharmacology and Therapeutics, 25(1), 91-96. https://doi.org/10.1089/jop.2008.0056