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각막이식수술 후 동적 샤임플러그 분석 장비를 이용한 각막의 생역학적 특성 변화

Other Titles
 The Use of a Dynamic Scheimpflug Analyzer to Measure Changes of Post-keratoplasty Corneal Biomechanical Properties 
Authors
 박서진  ;  전익현  ;  서경률  ;  김응권  ;  김태임 
Citation
 JOURNAL OF THE KOREAN OPHTHALMOLOGICAL SOCIETY, Vol.61(6) : 597-602, 2020-06 
Journal Title
 JOURNAL OF THE KOREAN OPHTHALMOLOGICAL SOCIETY 
ISSN
 0378-6471 
Issue Date
2020-06
Keywords
Corneal biomechanical properties ; Corvis ST ; Descemet’s membrane stripping keratoplasty ; Penetrating keratoplasty
Abstract
Purpose To evaluate the biomechanical properties of corneas using a dynamic Scheimpflug analyzer (Corvis ST) after penetrating keratoplasty (PKP) and Descemet’s membrane stripping keratoplasty (DSEK). Methods The medical records of 11 eyes that had undergone PKP (PKP group) and 11 eyes that had undergone DSEK (DSEK group) from March 2017 to March 2018 and the results were compared with 20 eyes of the control group. All patients’ corneal biomechanical properties, including a deformation amplitude ratio of 2.0 mm (DA ratio 2.0 mm), integrated inverse radius (IntInvRad), stiffness parameter at first applanation (SP-A1), and Ambrosio relational thickness through the horizon meridian (ARTh) were measured and compared with those of the normal control group. In addition, biomechanically corrected intraocular pressure (bIOP) measured by the Corvis ST was compared with intraocular pressure measured by a Tono-Pen Applanation Tonometer (IOP-Tono-Pen). Results In the PKP group, the biomechanical properties using the Corvis ST showed a significantly lower DA ratio 2.0 mm, SP-A1, ARTh, and IntInvRad, compared with those of the control group. However, in the DSEK group, only ARTh was significantly lower than that of the control group. Conclusions Corvis ST can be used to measure the change of corneal biomechanical properties after corneal transplantation.
Files in This Item:
T202004527.pdf Download
DOI
10.3341/jkos.2020.61.6.597
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Ophthalmology (안과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Eung Kweon(김응권) ORCID logo https://orcid.org/0000-0002-1453-8042
Kim, Tae-Im(김태임) ORCID logo https://orcid.org/0000-0001-6414-3842
Seo, Kyoung Yul(서경률) ORCID logo https://orcid.org/0000-0002-9855-1980
Jun, Ik Hyun(전익현) ORCID logo https://orcid.org/0000-0002-2160-1679
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/180271
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