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Q: Some tips on computer, as well as tips to protect your computer knowledge or who? Normal 0 7.8 磅 0 2 false false false MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:普通表格; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-fareast-font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} Laptop ac adapter AC adapter laptop keyboard
Hope a lot of answers, thank you! ''Urgently now! ''
(Asked by: xuexizhiren, Question Time :2011-04-12)


 A: The use of computers, the eyes on the screen every day, file, keyboard to move, coupled with the brightness and the line of sight between the viewpoint frequent changes can lead to eye discomfort, eye muscle fatigue, temporary decreased visual acuity, secondary headaches.
Room area of ​​all machinery and equipment should be 5-7 times the total area, interior clear height of not less than 2.5 meters. Equipment placement, should be the operator for windows and windows in parallel with the full use of natural light, but should avoid direct exposure to light to the display. Do not display above the top of the eye. The human eye is the best view of 30 degrees below the screen. Screen size should be at least 38 cm (diagonal measurement), the distance from the human eye is appropriate to 45-60 cm, 50 cm best, screen and document holder with the eye should be kept equal distance, so as not to keep the eyes of the operator Turn the neck and body, causing fatigue. Add a computer screen special color filter plate, you can block the rays, but also make the screen light and soft, reduce eye irritation. Keyboard position should be lower than the desk.lcd screen Acer AC Adapters
Computer operating activities per hour, get up, rest for 15 minutes, do eye exercises, visual fatigue and muscle fatigue contribute to the timely elimination. Contact with the display time of pregnancy is less than 20 hours per week is appropriate. Do not smoke indoors, because smoking can accelerate the disappearance of small negative ions. Often use ultraviolet disinfection, to make up for lack of air conditioning and reduce pollution. In fine weather, you should open the windows for ventilation time, increase the indoor air concentration of negative ions and fresh air.
Experts advise computer users to have self-protection:

1. Use of computers, should be more blink of an eye, every 1-2 hours to rest for 15 minutes;

2. Attention should be below the screen;

3. In order to avoid reflections and are not clear, the computer should not be placed on the opposite side or back windows; Normal 0 7.8 磅 0 2 false false false MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:普通表格; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-fareast-font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} compaq AC Adapters dell AC Adapters

4. Do not seen the computer in the dark, because the contrast between black and white damage to eyes.

In addition, some eye protection will be helpful to you, such as various hp AC Adapters toshiba AC Adapters computer Shibao Ping, these Shibao Ping reduced to a certain extent, the radiation computer screen and computer screen flicker stimulation of the eyes