I a topic and a myth that is repeated daily consultation when the patient ask us: Doctor ……..I feel every day see worse, I´m oll day with the computer. Can I lose the vision?

The anser is NOT, don´t lose sight with use, the eyes are not like candles. the eyes are to use, when we read improves our brain capacity and avoid aging early.

The are several adverse circumustances, when we are facing the secreen date, among which are: the data screen offers images of a two dimensional, while the human eye is three-dimensional mode, so while the human eye are prepar for distance (>6 m),the screen is 60 cm, which causes the muscles eye are oll the time working, the end result when we have hours is blurred vision, tired eyes and even hedaches.

Another annoying symptom is dryness of eyes,in fact in normal circumstances blink about 18 times per minute and with the computer pass a average of 6 times,this makes that the eye drying not adequately lubricate which leads toitching sensation,burnimg,grittiness,etc.

As for the monitor screen, has been described”legend”such as the need to protect agains radiation come from the screen,although it not less true thar a simple waking by the street you will recive infinitely more radiation than the will be happen for several days the data screen.For all the above and following aphorism” if you can not beat your enemy join to him” the recommendation to take at home are:

1-We should take the rule 2-20,which means that every 2 hours,must rest 20 minutes looking further,the room have to an appropriate degree of humidity,graduation correct cooling an heating systems,lighting should be indirect and not intensif,preferably working with natural light,the light should come from the opposite hand is used to prevent shadows side.

2-Monitor,TFT tire must be less than a CRT type,should be about 60 cm away and below the eye line,the brightness of the monitor should be minimum with you find yourself more confortable,use of filters to the monitor screen is interesting,thoughgood monitor would be enough.

3-As regards the position of the seat to be ergonomic,adjustable height, also should be the soport back,there are a rule whichsays that the best position would be one that bendin theelbow this coincided with the keyboard and knuckles chin.

With this small article I hope I have got,give lightand remove fear the idea that the compuer use can be harmful to the eye health and to put in positive the excellence of its use in the field of information an make decisions, today it wont be possible to be concived without them.

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