The harm of using a computer with your head down for a long time is not small. Frequent pre-vertebral stiffness, pain, eye swelling, myopia is getting deeper and deeper, and your body is leaning forward. It is better to bend over and hunch your back. It is better to raise your computer by 10cm. The scientific increase, the high line of sight allows you to look up without lowering your head, and it is easier to work and play games. You can also use the keyboard and mouse below. It is very practical to make the computer a little higher, and it will be very different.