The present invention is the device with permanent anti-fog and high light transmittance lens, comprising at least: One or more of the power supply, the power supply required power supply system one or more current limiter, the current limiter to limit the current required for the power supply system one or more metal layers with high transmittance, the metal layer with high transmittance accepted power by the current limiter, and generate thermal energy, the high transmittance lens at the position of the human eye looking with the metal layers with high transmittance are also heated and get higher temperature, high-temperature light-transmitting lens don’t fog because have not difference temperature between outside and inside.本發明是一種具有永久性和高透光性防霧鏡片裝置,其至少包含有:一個或一個以上的電源供應器,該電源供應器供應系統所需之電源產生電力;一個或一個以上的限流器,該限流器限制該電源供應器供應系統所需之電流,該電力經該限流器產生限制電力;一個或一個以上的高透光性金屬層,該高透光性金屬層接受經該限流器之該限制電力產生熱能,將該高透光性金屬層升溫,具該高透光性金屬層之人眼直視該高透光性鏡片也同時被升溫,該高透光性鏡片因此不會因為鏡片內外端面之溫度差而起霧化作用,以達到該高透光性鏡片永久性的防霧功能。200‧‧‧電源供應器201‧‧‧電力300‧‧‧限流器301‧‧‧限制電力400‧‧‧高透光性金屬層500‧‧‧人眼直視高透光性鏡片