1、暗室环境为主，避免强光直射，手术开始关日光灯，用无影灯照明，手术前的温湿度适宜，防酸、防防蒸汽。

1. The darkroom environment is the main focus, avoiding direct sunlight. At the beginning of the surgery, turn off the fluorescent lamps and use shadowless lamps for illumination. The temperature and humidity before the surgery are appropriate, acid and steam proof.

2、确保电压稳定，连接稳压器以免损坏精密仪器。

2. Ensure voltage stability and connect a voltage regulator to avoid damaging precision instruments.

3、避免强电、电磁场的干扰。

3. Avoid interference from strong electricity and electromagnetic fields.

4、室内仪器定位放置，手术间装有屋顶悬挂式电源插座及屋顶轨道式输液架，使手术人员的操作免受电源线、输液架的干扰，节约手术时间，同时也可减少仪器的损坏机率。

4. Indoor instruments are positioned and placed, and the operating room is equipped with a rooftop hanging power socket and a rooftop track type infusion stand, which prevents interference from the power cord and infusion stand for surgical personnel, saves surgical time, and also reduces the probability of instrument damage.