Ciliary sulcus diameters at different anterior chamber depths in highly myopic eyes
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  • 作者:Jian Gao ; Rong-Feng Liao ; Ning Li
  • 刊名:Journal of Cataract and Refractive Surgery
  • 出版年:2013
  • 出版时间:July, 2013
  • 年:2013
  • 卷:39
  • 期:7
  • 页码:1011-1016
  • 全文大小:588 K
文摘
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Purpose

To determine the correlation between white-to-white (WTW) diameters and horizontal ciliary sulcus diameters at different anterior chamber depths (ACDs) in highly myopic eyes.

Setting

First Affiliated Hospital of Anhui Medical University, Hefei, China.

Design

Cross-sectional observational study.

Methods

Highly myopic eyes were divided into a shallow ACD group (2.8 to 3.2 mm), medium ACD?group (3.2 to 3.4 mm), and deep ACD group (>3.4 mm). Ciliary sulcus diameters were measured by full-scale 50 MHz ultrasound biomicroscopy.

Results

In the shallow ACD group, linear regression showed that horizontal sulcus diameters were a significant predictor of WTW diameters (P<.001). The difference between them was greater than 0.50 mm in 13.1 % of eyes. In the medium ACD group, linear regression showed horizontal sulcus diameters were a significant predictor of WTW diameters (P<.001). The difference between them was greater than 0.50 mm in 25.7 % of eyes and greater than 1.0 mm in 2.8 % of eyes. In the deep ACD group, linear regression did not show that horizontal sulcus diameters were a significant predictor of WTW diameters (P=.126). The difference between them was greater than 0.50 mm in 31.6 % of eyes and greater than 1.0 mm in 5.3 % of eyes. In all eyes, vertical diameters were greater than horizontal diameters.

Conclusions

The WTW technique was inaccurate at predicting the horizontal diameter of the ciliary sulcus, and predictive errors increased with increasing ACDs. The posterior chambers were not perfectly circular, with vertical diameters being greater than horizontal diameters.

Financial Disclosure

No author has a financial or proprietary interest in any material or method mentioned.

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