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为了探讨近视屈光度、性别、眼轴长度、前房深度、晶体厚度之间的关系。采用眼科专用Ⅲ型Ａ型超声测厚仪对无明显眼病、屈光度在－３．００Ｄ以上的近视患者２３６例（４６５只眼）进行眼轴长度、晶体厚度和前房深度测量。结果显示：随着近视度数的增加，其眼轴长度和前房深度明显增加，而晶体厚度与眼轴长度比值则显著降低（各组间比较，Ｐ＜０．０５、００１）。在屈先度相同的各组中，眼轴长度、晶体厚度和晶体厚度与眼轴长度比值存在明显的性别差异（Ｐ＜０．０５、０．０１），而前房深度的性别差异无显著性（Ｐ＞０．０５）。提示轴性近视可能是我国近视的主要类型，近视屈光度的增加可同时伴有眼轴长度、前房深度和晶体厚度与眼轴长度比值的改变。
In order to explore the relationship between myopia diopter, gender, axial length, anterior chamber depth, and crystal thickness. A total of 236 eyes (465 eyes) with myopia without obvious ophthalmopathy and more than -3.00D in diopter were examined with axial ophthalmic type Ⅲ A ultrasonic thickness gauge for axial length, crystal thickness and anterior chamber depth. The results showed that with the increase of myopia, the axial length and anterior chamber depth increased significantly, while the ratio of lens thickness to axial length decreased significantly (P <0.05 and 0.001 for each group). In each group with the same degree of flexion, there was a significant gender difference in axial length, crystal thickness, and ratio of lens thickness to axial length (P <0.05, 0.01), while there was no significant gender difference in anterior chamber depth (P> 0.05). It is suggested that axial myopia may be the main type of myopia in our country. The increase of myopia diopter may be accompanied by the changes of axial length, anterior chamber depth, and the ratio of the thickness of the lens to the axial length.