Journal of the Korean Ophthalmological Society 2002;43(10):1943-1949.
Published online October 1, 2002.
Factors Associated with the Posterior Corneal Surface Elevation in Mmyopic Eye.
Geun Jang Lee, Ju Byung Chae, Hungwon Tchah, Beom Jin Cho
Department of Ophthalmology, College of Medicine, University of Ulsan, Asan Medical Center, Korea. bjcho@amc.seoul.kr
근시안에서 각막 후면의 높이와 관계 있는 인자들
이근장 ( Geun Jang Lee ) , 채주병 ( Ju Byung Chae ) , 차흥원 ( Hungwon Tchah ) , 조범진 ( Beom Jin Cho )
Abstract
PURPOSE
To know the factors associated with the posterior corneal surface elevation in myopic eye. METHODS: The posterior corneal surface elevation (PCSE), keratometry, central corneal thickness (CCT), peripheral corneal thickness (PCT), thinnest corneal thickness (TCT) were measured in 64 right myopic eyes with the Orbscan topography system. The correlation between PCSE and age, refractive error, intraocular pressure (IOP), keratometry, CCT, TCT, PCT, PCT-CCT, PCT/CCT, PCT-TCT, and PCT/TCT was evaluated. RESULTS: The posterior corneal surface elevation has correlation with CCT (r:.0.3306, p:0.0071), TCT ( r :.0.4094, p:0.0007), PCT-CCT(r:0.3326, p:0.0068), PCT/CCT (r:0.3759, p:0.0020), PCT-TCT (r: 0.4750, p:0.0001), and PCT/TCT (r:0.5145, p:0.0001) but does not have correlation with age, keratometry, refractive error, IOP (r:.0.0627, p:0.6225), and PCT. CONCLUSIONS: In myopic eyes, the posterior corneal surface elevation correlates with central corneal thickness and specifically the ratio PCT to TCT.
Key Words: Corneal thickness;Orbscan topography system;Posterior corneal surface elevation


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