Prevention of vision must be vaccinated from childhood, since you will not surprise anyone now. Do not work at the computer for more than 40 minutes without a break. From the eyes to the monitor, there must be a distance of approximately 60 cm, while tearing your eyes off, you should see all the objects in the room. To relieve fatigue of the eyes when working with a computer, you can often flour or look from a closer object, to a distant. Pay special attention to sufficient illumination, size and clarity of the text when reading.
