预防视力

Prophylactic vision

以上为机器翻译结果，快速获取精准的人工翻译结果，建议选择有道人工翻译

1
有什么办法可以预防视力下降？
What method can prevent eyesight to drop?
2
世界上所有与预防视力损害或者恢复视力有关的合作伙伴都将庆祝世界爱眼日。
World sight Day is observed around the world by all partners involved in preventing visual impairment or restoring sight.
3
在操作过程中，应经常眨眼睛或闭目休息一会儿，以调节和改善视力，预防视力减退。
During operation, operator should always blink or close their eyes for rest to regulate and improve vision, prevent vision loss.

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