For readers who worked or played computer for a long time may have or often experience headaches or visual disturbances. If yes, you may experience computer vision syndrome. This disease is very common, it is said by approximately 90% of people who use the computer for 3 hours or more a day.
Computer vision syndrome (CVS) is a condition that occurs because the eye is too long focusing on the computer screen. Generally, the patient will complain of headache, dizziness, blurred vision, neck pain, red eyes, double vision, difficulty focusing eyes, and even fatigue.
CVS occurs because the eye muscles become tense and tired from too long looking at a computer screen, but it also becomes dry eye because generally the amount of flicker when looking at someone on a computer screen is reduced so that the eyes tear deficiency. These symptoms can also be exacerbated by light is too bright or too fast AC wind, causing the eyes to become dry.
Working in front of a computer requires your eyes to stay focused with what you see. You have to look down to see the paper and looked back to typing and the eyes must accommodation to see changes in the image on the screen in order to produce a clear image to be interpreted by the brain. This eye disorder is more likely to occur in the eye that has been disturbed, such as farsightedness or astigmatism, or in circumstances which require the use of eye glasses but not used.
CVS complaints are temporary and can be overcome by rest. The use of eye drops can also help relieve the symptoms. However, if symptoms do not improve, you can consult an ophthalmologist for further examination.
Some ways to overcome computer vision syndrome:
1. Reduce light around you to reduce glare on the computer screen. If you are near a window and cause glare on the screen, move the screen or close the window blinds.
2. Position the computer screen so that your head is in a comfortable position when working. Optimal position for a computer monitor is slightly below eye, approximately 20-28 inches from the face. In this position, you do not need to stretch the neck or forcing the eye to see what the computer screen. Place the paper on the back side of a computer monitor and place the material you are working on at the back of the paper. This way, you do not need to head down and looked up to see the paper while typing.
3. Give your eyes time to rest. Sight in the direction away from your computer screen every 20 minutes or so, looking towards the outside of the window, or to look around the room for 20 seconds to rest your eyes. Blink more often to keep your eyes are not dry.
4. Change the settings of your computer. Adjust the brightness, contrast and font size until you find the setting that best matches your eyes.
5. Make sure your seat comfortably. Comfortable chair that refutes the neck and back helps reduce pain in the neck and shoulders are often associated with computer vision syndrome.
6. Visit your eye doctor regularly. You may need glasses or contact lenses to correct your eye disorders.
Computer vision syndrome is harmless and can be cured by itself, but it certainly would disrupt the activities and work if you do not know how to prevent it.