J Korean Ophthalmol Soc > Volume 52(12); 2011 > Article
Journal of the Korean Ophthalmological Society 2011;52(12):1478-1484.
DOI: https://doi.org/10.3341/jkos.2011.52.12.1478    Published online December 15, 2011.
Analysis of Factors Related of Location of Initial Visual Field Defect in Normal Tension Glaucoma.
Byung Wan Kang, Yong Sok Ji, Sang Woo Park
Department of Ophthalmology, Chonnam National University Medical School, Gwangju, Korea. Exo70@naver.com
정상안압녹내장에서 초기 시야결손의 발생위치와 관련된 임상인자 분석
강병완⋅지영석⋅박상우
Department of Ophthalmology, Chonnam National University Medical School, Gwangju, Korea
Abstract
PURPOSE
To investigate the risk factors related to the location of visual field defects in normal tension glaucoma. METHODS: Eighty-one eyes diagnosed as normal tension glaucoma in patients with early glaucomatous visual field defects were divided into central visual field defects and peripheral visual field defects. The difference between the 2 groups based on the intra-individual comparison were assessed with several ocular risk factors such as sex, age, hypertension, diabetes mellitus, smoking, laterality, intraocular pressure, central corneal thickness, cup-disc ratio, peripapillary atrophy, mean deviation, pattern standard deviation, best corrected visual acuity, and refractive errors. RESULTS: The incidence of hypertension in the central visual field defects group (60.6%) was higher than in the peripheral visual field defects group (22.9%, p = 0.001). The central corneal thickness in the central group (533.1 +/- 18.2 microm) was thinner than in the peripheral group (545.0 +/- 30.0 microm, p = 0.003). Hypertension was the only risk factors for central visual field defects (p = 0.001). In both the central group and peripheral group, upper visual field defects were more common than lower defects. CONCLUSIONS: Hypertension in patients with normal tension glaucoma was a factor involved in central visual field defects. Additionally, numerous visual field defects were mainly found the superior portion.
Key Words: Hypertension;Normal tension glaucoma;Visual field defect


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