Traffic accidents can be grouped as death, serious and lightinjury, and property damage according to their severity.
交通事故按其严重程度一般可分为死亡、重伤、轻伤和物质损失。
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Methods Establish retinal photic injury model of rats use self-made lightinjury structure. Detect the contents variation of MDA and structure changes of retinal structure.
方法用自制光损伤装置建立大鼠视网膜光损伤模型，测定光损伤时不同时间点的MDA含量变化及光镜改变。
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Conclusions After the light illumination, the melanin of RPE cells reduces and the function of photoreceptors decreases, which suggests that melanin may play an protective role in the lightinjury.