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Comparison of the trabecular meshwork length between open and closed angle with evaluation of the scleral spur location

 Wungrak Choi  ;  Min woo Lee  ;  Hyun Goo Kang  ;  Hye Sun Lee  ;  Hyoung Won Bae  ;  Chan Yun Kim  ;  Gong Je Seong 
 SCIENTIFIC REPORTS, Vol.9(1) : 6857, 2019 
Journal Title
Issue Date
This study analysed the trabecular meshwork (TM) length in open and closed angle patients and presented a better method for locating the scleral spur using Schwalbe's line method in anterior segment optical coherence tomography (AS-OCT). Patients who underwent AS-OCT at Yonsei University Gangnam Severance Hospital we enrolled; 58 and 57 open and closed angle eyes, respectively. We measured the distance from the scleral spur to Schwalbe's line as the TM length and compared it between open and closed angle patients, and to previous studies. TM length was applied to locate the scleral spur using Schwalbe's line method. Mean TM lengths were 811 ± 83 μm and 575 ± 96 μm in the open and closed angle groups, respectively (p < 0.001). Comparing the actual TM heights using Schwalbe's line method with an updated reference distance significantly increased accuracy to locate the scleral spur (open: 811 μm, closed: 575 μm) when compared with the 1000 μm reference distance (p < 0.001). TM length was significantly different between open and closed angle patients. Further, the reference distance for Schwalbe's line method should be distinguished according to open and closed angle eyes in order that the scleral spur can be located properly.
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1. College of Medicine (의과대학) > Dept. of Ophthalmology (안과학교실) > 1. Journal Papers
Yonsei Authors
Kang, Hyun Goo(강현구) ORCID logo https://orcid.org/0000-0001-8359-9618
Kim, Chan Yun(김찬윤) ORCID logo https://orcid.org/0000-0002-8373-9999
Bae, Hyoung Won(배형원) ORCID logo https://orcid.org/0000-0002-8421-5636
Seong, Gong Je(성공제) ORCID logo https://orcid.org/0000-0002-5456-4296
Choi, Wungrak(최웅락) ORCID logo https://orcid.org/0000-0002-3015-2502
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