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90分贝的噪声,会使人的眼睛区别光亮的敏感度降低。在115分贝的噪声环境中工作,可使眼睛对光亮度的适应性下降20%。噪声越大,视力就越差。因此,在行车时,车里的音响达到95分贝就能使眼睛辨别暗光的敏感度下降,识别弱光的反应时间延长。
90 dB noise, will make people’s eyes less sensitive to reduce the sensitivity of light. Working in a noise environment of 115 dB reduces the eye’s adaptability to light by 20%. The greater the noise, the worse the vision. Therefore, when driving, the sound in the car reaches 95 decibels, the sensitivity of eyes to dim light can be reduced, and the reaction time for recognizing weak light can be prolonged.