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Objective: To examine panoramic ultrasound biomicroscopy (ultrasound biomicroscopy, UBM) (KINSCAN) direct measurement of the horizontal spacing ciliary sulcus (sulcus to sulcus, STS) is feasible. STS after the measurement , by comparison to speculate sulcus other common horizontal spacing measurements , test their correlation with the presence STS . Methods: The research center for treatment of 69 patients 120 eyes, with panoramic UBM horizontal spacing measurement sulcus (STS). Pearson correlation analysis and inspection STS pitch angle with the horizontal position (ATA), axial length (AL), measured by the panoramic UBM anterior chamber depth (ACDu), the A -type ultrasonic detector measuring the anterior chamber depth (ACDa), 3:00 for the 9:00 position limbal diameter ( also known as 3:00 for the 9:00 position cornea and white to white , WTW), mean corneal curvature (K value ) whether the correlation was statistically significant, further testing using multiple linear regression analysis its overall relevance. Results: 1 measured in the present study , 120 eyes , STS can be directly measured . STS average (10.19 ± 1.16) mm, the standard deviation is 0.58 , the coefficient of variation (5.75 ± 0.65)%. 2 , the Pearson correlation analysis , ATA, WTW, AL, K value , ACDa, ACDu correlation with STS were statistically significant, p values ??were less than 0.05. Which , AL, ATA has a moderate correlation ︱ r_ ≥ 0.5, respectively, 0.596 and 0.530; WTW, ACDa, ACDu, K value has a weak correlation , 0.3 ≤ ︱ r_ lt; 0.5, respectively 0.432,0.490 , 0.489 and 0.351 . 3, in the multiple linear regression analysis , AL, WTW was confirmed a linear correlation with the STS , the p-value was less than 0.05 , respectively, 0.00001 and 0.049 , statistically significant . ATA, K value , ACDa, ACDu there is no linear correlation with the STS , and its p-value greater than 0.05, respectively 0.085,0.238,0.665,0.132 , not statistically significant. Conclusion: a panorama UBM measurement STS feasible. 2 , the STS can not be measured directly , indirectly through the AL, WTW, ATA to speculate STS.
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