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角膜类脂环也称老年环，为围绕角膜边缘部的白线，首先出现在角膜上缘，逐渐波及全周“’。一般认为该环系一种单纯的原发性的老年性变化。故临床上常被忽视。本文通过对1190角膜类脂环阳性者分析研究，旨在探讨此环与某些常见疾病及年龄的关系。1对象和方法1．且对象角膜类脂
Corneal alicyclic ring, also known as the elderly, as the white line around the corneal margins, first appeared in the corneal upper edge, and gradually spread to the whole circumference. ’’ Generally believed that the ring is a simple primary changes in the elderly. Clinically often overlooked.In this paper, 1190 corneal alveolar positive analysis, to explore this ring and some common diseases and the relationship between age.1 Subjects and methods 1. And the target corneal lipids