Your mom is right, it's really bad for your eyes if you spend too much time reading on laptop screens. Because the light resource from the screen will be directly come into your eyes which saves the process of coming into your retinal, your eyes may get tired easily. What's worse, the eyes axis will elongate because of the too much use of eyes. Then you will be easily myopia. Besides, the dryness symptom may come to your eyes. However, I do not mean that you can not reading on laptop, but if you want to do it, you had better change the brightness of your computer less bright and do not see the computer screen for long time, to avoid have dry eyes and redness. In a word, keep a good balance between the rest and laptop, you can enjoy your reading time.
