Read and match the heading to the short part.

Computers are useful tools for research and entertainment. However, staring at a computer screen for an extended period of time can cause eye strain. Some of the symptoms include blurred vision, dry eyes and a difficulty distinguishing between colours. Opticians warn that you mustn’t spend too much time looking at the screen. You should take frequent breaks. You don’t have to leave the room – just close your eyes and let them relax.

• SAVE YOUR SIGHT
• FACE THE CONSEQUENCES OF GERMS
• CHANGE THE TECHNOLOGY
• PLAY IT SAFE
• SWITCH FINGERS
• IT WAS IMPOSSIBLE IN THE PAST
• PROGRESS IN MESSAGING
• THEY MIGHT BE DIFFERENT
• LEADING TO BACK PROBLEMS
• MODERN GADGETS' SLAVES