Adjustment: when the red light turns yellow or disappears, you can open your eyes for a while and then close them again. This can help you re-experience red light power.

• 调整：当红光渐渐变黄甚至消失，可以将眼睛睁开，片刻后再闭上眼，又可以重新体验一次充满能量的红光洗涤身心。