（1）"The screens of electronic products emit blue light like 'little needles'!" "If we look at a tablet for more than 20 minutes a day, the 'little needles' will begin to quietly damage the protective membrane of our eyes!"

（2）"There is a kind of light that secretly 'blinks'!" Through the popular science concept of stroboscopic light, the children discovered that even if the naked eye cannot see the flicker, the pupil is still dilating at a high frequency. "It's like asking the eyes to do 'squats' all the time, of course they will be tired and cry!"

（3）Using just a desk lamp for homework is like digging for treasure in a 'cave'!" When ambient light is insufficient (<30 lux), even the brightest desk lamp will cause your pupils to "work overtime". And the strong light like that of a photographic flash can instantly "blind" retinal cells!