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The height of the posterior staphyloma and corneal hysteresis is associated with the scleral thickness at the staphyloma region in highly myopic normal-tension glaucoma eyes

Title
The height of the posterior staphyloma and corneal hysteresis is associated with the scleral thickness at the staphyloma region in highly myopic normal-tension glaucoma eyes
Authors
Park, Jong HyukChoi, Kyu-RyongKim, Chan YunKim, Sung Soo
Ewha Authors
최규룡
SCOPUS Author ID
최규룡scopus
Issue Date
2016
Journal Title
BRITISH JOURNAL OF OPHTHALMOLOGY
ISSN
0007-1161JCR Link1468-2079JCR Link
Citation
vol. 100, no. 9, pp. 1251 - 1256
Keywords
Sclera and EpiscleraGlaucomaEye (Globe)Cornea
Publisher
BMJ PUBLISHING GROUP
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
Aims To evaluate the characteristics of the posterior segments of eyes with high myopia and normal-tension glaucoma (NTG) and identify which ocular factors are most associated with scleral thickness and posterior staphyloma height. Methods The study included 45 patients with highly myopic NTG and 38 controls with highly myopic eyes (-6D or axial length 26.0mm). The subfoveal retinal, choroidal, scleral thickness and the posterior staphyloma heights were examined from enhanced depth imaging spectral-domain optical coherence tomography and compared between two groups. Results Highly myopic NTG eyes had thinner subfoveal scleral thickness (473.0343.75 vs 579.46 +/- 75.87 mu m, p<0.001) and higher posterior staphyloma (97.80 +/- 70.10 vs 62.83 +/- 32.01 mu m, p=0.027) than highly myopic, non-glaucomatous eyes. Subfoveal scleral thickness was significantly correlated with age, axial length, corneal hysteresis and the posterior staphyloma height of the superior quadrant, the nasal quadrant and the arithmetic mean of four quadrants in highly myopic NTG eyes. Corneal hysteresis (=2.694, p=0.015), corneal resistance factor (=-2.916, p=0.010) and the posterior staphyloma height of the nasal quadrant (=-0.463, p=0.017) were significantly associated with the subfoveal scleral thickness in highly myopic NTG eyes. Conclusion Subfoveal scleral thinning and non-uniform posterior staphyloma were closely related in highly myopic NTG eyes. Corneal hysteresis, corneal resistance factor and the nasal posterior staphyloma height were associated with the scleral thickness.
DOI
10.1136/bjophthalmol-2015-307292
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의학전문대학원 > 의학과 > Journal papers
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