by http://www.sanitaincifre.it/2010/11/occhi-stanchi -i-tricks-for-not-suffer-too-before-the-pc /
Tired eyes? The tricks do not suffer too much before the Pc
change in consumption habits and disease modification is important that small health problems related to everyday life. It 's so that is increasingly gaining the tired eye syndrome, linked to the increasing amount of hours that you tend to spend in front of a computer screen or other display, such as consoles and video games. The symptoms range from fatigue and dry eyes fogging of vision, the headache sensitivity to light. The shields forcing their eyes to great efforts, both for strong contrasts of light and for the need to focus at close range. Of course, as most of the habits and consumption, what harm is not the use but the abuse or misuse. "The computer and the display of mobile phones or other of itself does not hurt," says Massimo Bucci former professor of ophthalmology and director of the GB Bietti Foundation for the study and research in ophthalmology. The risk is the abuse. "In front of the PC will greatly reduce the frequency of containing natural closure of the eyelids (blinking) and this decreases the distribution of tears on the cornea, which is so dry." The dry eye, a disorder most often the abuser of the video, colpsice especially "older people", causing redness and discomfort similar to conjunctivitis. The bright contrast fatigues the eye, "in this sense was less annoying to read books by candlelight, as in a now distant past, who spent many hours in front of the screen without allowing the eyes to rest." For once the TV is not on the dock, as you look from a distance resulting in a significantly lower fatigue.
the PC, however, excessive stress on the convergence of the eyeballs, which is necessary to focus a few inches, can create problems by headache, up to - people in hyperopic and in rare cases - to bring out a latent squint.
The expert, however, reassures her: the regular use of PCs in working hours, especially when interspersed with breaks to rest your eyes every few minutes now, "does not produce any damage." Any advice for not spoiling the view and less labor, "lower the background brightness, contrast or reduce the use glasses slightly scuri.Più attention instead to the children, not because of any problems" always reversible, "says Bucci, but please balanced mental and physical development of children, who need movement, creative play away from TV and computer.
