期刊
DIAGNOSTICS
卷 12, 期 1, 页码 -出版社
MDPI
DOI: 10.3390/diagnostics12010163
关键词
ocular biometry; optical coherence tomography; partial coherence interferometry; Scheimpflug imaging; retinal disease; refractive outcome; optical diagnosis; treatment options
资金
- Klaus Tschira Stiftung, Heidelberg, Germany
- Physician-Scientist Program of the Heidelberg University, Faculty of Medicine
The aim of this study was to establish and verify an adaptation for measuring axial length in silicone oil-filled pseudophakic eyes. The study compared the measurements obtained using a Pentacam AXL and an IOLMaster 700. The results showed a significant mean offset between the two devices, but a strong linear correlation. The study implemented a specific adaptation for obtaining reliable axial length measurements in silicone oil-filled eyes using the Pentacam AXL.
The aim of this prospective clinical study was to establish and verify an adaptation for axial length (AL) measurement in silicone oil (SO)-filled pseudophakic eyes with a Scheimpflug and partial coherence interferometry (PCI)-based biometer. The AL was measured with a Pentacam AXL (OCULUS Optikgerate GmbH, Wetzler, Germany) and IOLMaster 700 (Carl Zeiss Meditec, Jena, Germany). The coefficients of variation (CoV) and the mean systematic difference (95% confidence interval (CI)) between the devices were calculated. After implementing a setting for measuring AL in tamponaded eyes with a Pentacam based on data of 29 eyes, another 12 eyes were examined for verification. The mean AL obtained with the Pentacam was 25.53 +/- 1.94 mm (range: 21.70 to 30.76 mm), and with IOLMaster, 24.73 +/- 1.97 mm (ranged 20.84 to 29.92 mm), resulting in a mean offset of 0.80 +/- 0.08 mm (95% CI: 0.77, 0.83 mm), p < 0.001. The AL values of both devices showed a strong linear correlation (r = 0.999). Verification data confirmed good agreement, with a statistically and clinically non-significant mean difference of 0.02 +/- 0.04 (95% CI: -0.01, 0.05) mm, p = 0.134. We implemented a specific adaptation for obtaining reliable AL values in SO-filled eyes with the Pentacam AXL.
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