科学研究表明正常情况下人每分钟眨眼15次当阅读书报时每分钟眨眼不超过10次用电脑时每分钟眨眼仅5 次当﹁目不转睛﹂地打游戏机时每分钟只眨眼3次正常时人眼分泌的泪液随着每次眨眼在角膜与暴露的球结膜前形成﹁泪膜﹂以温润眼角膜和结合膜并为其提供 Scientific research shows that  people blink 15 times a minute under normal circumstances  when reading a newspaper  no more than 10 blinks per minute  blink only 5 times per minute when using a computer  when staring at the game console  every Blinks only 3 times in a minute 泪 Tears secreted by the human eye in normal times with each blink 形 Creates a tear film 角 in front of the conjunctiva of the cornea and exposed bulb to moisturize and provide the cornea and conjunctiva 角