Easy to suffer from eye dysfunction!

Three-quarters of people regularly use computers with eye dysfunction (also called eye syndrome due to computer use - Computer vision syndrome - CVS).

Common symptoms of CVS are eye strain or visual fatigue, dry eyes, burning sensation, glare, blurred vision, headache and shoulder strain, neck and back strain.

There are many causes for CVS: reduced tears to the cornea; too much glare or light reflected from the screen; The screen position is incorrect or your eyes have refractive errors that need glasses or new glasses. The computer screen is often placed higher than the eye level, so we have to raise our eyes and widen our eyes and make our eyes dry.

Using a computer is more prone to CVS syndrome without knowing how to prevent it (Photo: Eyeconx)

Pay more attention to blinking, take a 15-minute break after every hour of work on the machine. If the eyes are too dry, more artificial tears may be used (especially when you use a computer that wears contact lenses, the eyes will be drier). Sun and office lights can reflect on the screen and irritate the eyes. The screen should be placed 50-60cm away from the eye, the center of the screen should be set lower than the eye range of 10-20cm, as the eye only works comfortably when we glance down at reading as well as when working close.

Note that adjusting the amount of light in the room is not too bright or too dark. Then adjust the brightness and contrast of the screen until the eyes feel comfortable. Also need to pay attention to the font size and color. Adjusting the text size of a text page also helps reduce visual fatigue efforts. The ideal font size is three times the size of the smallest font we can read. It is best to choose black text on a white background, or bold on a light background.

If there are refractive errors such as presbyopia, astigmatism or nearsightedness, you should wear glasses when using a computer because the refractive errors if not adjusted or improperly adjusted will lead to aches and eye strain if working. long on the screen. Signs of refractive error are blurred vision and eye fatigue when working with computers.

Doctor TRAN THI HAI YEN (head of refractive department, HCMC Eye Hospital)