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Comparison of Ocular Pulse Amplitude Measured Using Dynamic Contour Tonometry and Ocular Blood Flow Analyzer
|dc.description.abstract||Purpose: To compare ocular pulse amplitude (OPA) measured using dynamic contour tonometry (DCT) and ocular blood flow analyzer (BFA).
Methods: Thirty-five eyes of 35 patients were enrolled in this cross-sectional and retrospective study. OPA was measured using DCT. Pulse amplitude (PA) and pulsatile ocular blood flow were measured using BFA.
Results: OPA measured using DCT (2.79 ± 0.89 mm Hg) was not significantly different from PA measured with BFA (3.02 ± 0.90 mm Hg; p = 0.082) and both were significantly correlated (r = 0.663, p < 0.001). Mean difference ± limit of agreement was -0.22 ± 1.44 mm Hg between OPA and PA. OPA correlated significantly with intraocular pressure (IOP) measured using Goldmann applanation tonometry (r = 0.330, p = 0.047) but not PA (r = 0.057, p = 0.745). Both PA and OPA did not show significant correlation with the spherical equivalent of refractive error and central corneal thickness.
Conclusions: Although both OPA and PA measure IOP fluctuation and are not significantly different, they showed different relationships with IOP.
|dc.title||Comparison of Ocular Pulse Amplitude Measured Using Dynamic Contour Tonometry and Ocular Blood Flow Analyzer||-|
|dc.title.alternative||Dynamic Contour Tonometry와 안혈류분석계의 안구 박동 크기 비교||-|
|dc.subject.keyword||Ocular blood flow||-|
|dc.subject.keyword||Ocular pulse amplitude||-|
|dc.citation.title||Journal of the Korean ophthalmological society||-|
|dc.identifier.bibliographicCitation||Journal of the Korean ophthalmological society, 56(12). : 1906-1912, 2015||-|
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