If you are sitting in front of the computer screen for long hours, you inevitably Complain of eye strain or eye dryness, which could make you suffer from one of these symptoms: 1. Pain and fatigue in the eye with itching and dryness. 2. Chgaoh or blurred vision. 3. Weakness of the things away after a long focus on the computer screen. 4. Headache or pain in the muscles of the neck. 5. Difficult to focus when considering the movement between the computer and printed papers or documents. 6. Increase the sensitivity of the light. So you have to follow the following: 1 Give your eyes time to rest and look away from the computer screen for ten seconds every ten minutes. . 2. Dry eyes caused by staring for a long time without closing some people do not turn a blind eye all peremptory Minutes while natural that every five seconds. Valtgmad works to moisturize the eye and prevent dehydration. 3. Position of the screen is important to prevent eye strain, you should keep the screen from the eye distance of 60-80 cm. If Writing the characters look small from that distance then you can change the size of the character as you wish. 4. Make-up screen at eye level in terms of the rise and set because the high strain neck muscles. 5. Dust and dust on the screen reduces visibility and distract consideration. Keep on your computer screen clean. 6. See a doctor when he goes on the complaint of stress or with low vision or double vision.