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|Title:||Comparison of Central Corneal Thickness Measurements by Visante Anterior Segment Optical Coherence Tomography With Ultrasound Pachymetry|
|Citation:||Zhao, P.S., Wong, T.Y., Wong, W.-L., Aung, T., Saw, S.-M. (2007). Comparison of Central Corneal Thickness Measurements by Visante Anterior Segment Optical Coherence Tomography With Ultrasound Pachymetry. American Journal of Ophthalmology 143 (6) : 1047-1049. ScholarBank@NUS Repository. https://doi.org/10.1016/j.ajo.2007.01.050|
|Abstract:||Purpose: To compare the measurement of the central corneal thickness (CCT) by Visante (Carl Zeiss Meditec, Dublin, California, USA) anterior segment optical coherence tomography (AS-OCT) with ultrasound pachymetry. Design: Population-based, cross-sectional study. Methods: Participants were part of a population-based study of 3280 Malay subjects aged 40 to 80 years in Singapore. Ultrasound pachmetry of CCT was performed on all participants and approximately 10% underwent further evaluation with AS-OCT. Results: Two hundred and eighty-five consecutive subjects were included, with a mean age of 57.9 (± 10.8) years. CCT as measured by ultrasound pachymetry was highly correlated with the equivalent AS-OCT reading (The Pearson correlation coefficient = 0.93, P < .001). However, Bland-Altman analysis showed that CCT as measured by ultrasound pachymetry was significantly higher by 16.5 ± 11.7 μm (limits of agreement -6.1 to 39.1, P < .001). Conclusions: CCT measured by Visante AS-OCT was highly correlated with that from ultrasound pachymetry. However, CCT readings by Visante AS-OCT were consistently less than that of ultrasound pachymetry. © 2007 Elsevier Inc. All rights reserved.|
|Source Title:||American Journal of Ophthalmology|
|Appears in Collections:||Staff Publications|
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