AIM: To determine the nature of chemicals involved, type of occupation most at risk, severity of ocular injury, complications and visual outcome in patients with chemical injuries of eye.

目的：探讨化学伤的致伤物质种类、最容易发生化学伤的职业，眼部化学伤的严重性和伤后的并发症和视力预后。

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Changes the mechanical timer of Type 420B boiling sterilizer into an electronic timer and adds a display circuit so as to make its timing ocular, operation stable and maintenance easy.

将420B型煮沸消毒器的机械定时器改为电子定时器，并加装显示电路，使其定时直观、工作稳定、便于维修。

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Some data show that immune depressive therapy can decrease the frequency of changes from ocular type to generalized type.

有资料证实应用免疫抑制疗法减少了眼肌型患者进展成全身型的频率。

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