研究具有长前囊的非裔美国人的眼球尺寸。
Investigating ocular dimensions in African Americans with long anterior zonules.
机构信息
Illinois Eye Institute, Illinois College of Optometry, Chicago, IL 60616, USA.
出版信息
J Glaucoma. 2013 Jun-Jul;22(5):393-7. doi: 10.1097/IJG.0b013e3182447d6c.
Abstract
PURPOSE
To investigate ocular dimensions in African Americans with the long anterior zonule (LAZ) trait.
METHODS
A total of 61 African American LAZ subjects and 61 age-matched, race-matched, and sex-matched controls were compared with respect to central corneal thickness, central corneal curvature, axial length (AL), and subjective refraction.
RESULTS
LAZ right eyes had a mean SR=+1.75±1.82 D and were 1.58 D (95% confidence interval, 0.83-2.31 D, P<0.0001) more hyperopic on average when compared with the control right eyes. LAZ right eyes also had an AL that was 0.69 mm (95% confidence interval, 0.34-1.04 mm, P<0.001) shorter on average than control right eyes. Similar results were found for left eyes. No differences were found with respect to central corneal curvature and central corneal thickness (P>0.05).
CONCLUSIONS
In this data set, LAZ eyes tended to be more hyperopic and had ALs that were shorter than control eyes, characteristics that are consistent with elevated risk for angle-closure glaucoma.
摘要
目的
研究具有长前悬韧带（LAZ）特征的非裔美国人的眼球尺寸。
方法
将 61 名 LAZ 特征的非裔美国人受试者和 61 名年龄、种族和性别匹配的对照者进行比较，比较指标包括中央角膜厚度、中央角膜曲率、眼轴（AL）和主观屈光度。
结果
LAZ 右眼的平均 SR=+1.75±1.82 D，与对照组右眼相比，平均远视度高 1.58 D（95%置信区间，0.83-2.31 D，P<0.0001）。LAZ 右眼的 AL 平均比对照组右眼短 0.69 mm（95%置信区间，0.34-1.04 mm，P<0.001）。左眼也有类似的结果。在中央角膜曲率和中央角膜厚度方面没有差异（P>0.05）。
结论
在这个数据集，LAZ 眼往往更远视，眼轴更短，这些特征与闭角型青光眼的风险升高一致。
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