Of course. Nowadays, more and more people use computers and ipads to work, play or chat with friends. As a result, more people feel tired eyes and watery eyes at the close of a day. To make it clear, any electronic products can release some radiation and cause light pollution. Especially some products with small sreens like phone and ipad, can make people's eyes tired after playing hours with them. At most times, people use these electronic products to play games and read electronic books. They need to keep looking at the screen with the pictures on it changing rapidly. They may feel excited and forget about the rest for eyes. In fact, their eyes are tired, but they usually don't realize it. For children, younger than 4, using these electronic products too long and too often can lead to the damage to their eyes lifelong, because the age between 0 and 4 is the key period of eye development.
