检索结果-南通市图书馆

The effect of lens parameters on the development of the primary angle-closure glaucoma

Journal of Nanjing Medical University 2007年第4期21卷 262-267页

作者： Zhaohui Feng Naixue Sun Aiyi Zhou Donggang Han Yun Long Zhao Wang Xiaohua Wang Department of Ophthalmology the Second Affiliated Hospital of Medical College of Xi＇an Jiaotong University Xi＇an 710004 Shanxi Province China Ultrasonic Research Department the Second Affiliated Hospital of Medical College of Xi＇an Jiaotong University Xi＇an 710004 Shanxi Province China Institute of Laser ＆ IR Applications Xi＇an Jiaotong University Xi＇an 710049 Shanxi Province China

Objective ：To investigate the role the lens dimensions played on the pathogenesis of primary angle-closure glaucoma. Methods：38 eyes of 20 patients with primary angle-closure glaucoma （PACG） and 35 eyes of 22 normal individuals without ocular abnormalities were examined. The anatomical parameters of the lens and other structures of the anterior segment were calculated using B ultrasound, computer image processing and ultrasound biomicroscopy （UBM）. The parameters were compared between the patients and normal subjects. Correlation analysis was used to determine the relationship between the radii of curvature of the anterior lens surface （RCALS） and the other parameters of the anterior segment. Results：Compared with the normal eyes, the eyes of PACG had thicker lens, steeper curvature of anterior lens surface, decreased depth of the anterior chamber, narrower chamber angle, and more anterior position of the ciliary bodies and lens. All these differences were significant（P 〈 0.05 or P 〈 0.01）. In the PACG group, the RCALS had significantly negative correlation with the central and peripheral lens thickness （P 〈 0.01 and P 〈 0.05 respectively）, and had positive correlation with relative lens position, anterior chamber depth（ACD）, angle-open distance at 500 um（AOD500）, trabecular iris angle （TIA） and trabecular ciliary processes distance（TCPD, P 〈 0.05 or P 〈 0.01 ）. Conclusion：The occurrence of PACG is relevant to the abnormal anatomical structures of the anterior segment. Among all factors, the lens parameters play an important role in the pathogenesis. Increased lens thickness, relative more anterior position of lens, especially steepened curvature of anterior lens surface are predisposing factors of the pathologic phenomenon in PACG including pupillary blockage, shallow anterior chamber, secondary closure of chamber angle and elevation of intraocular pressure.

关键词： primary angle-closure glaucoma lens dimensions ultrasound biomicroscope mechanism

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：