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Eye Care for Computer Users...Computers have become indispensable in work place. Professionals spend more time working at computer workstations. The combination of fixed and constrained body postures, work overload and unsuitable workstations can lead to health problems like aches and pains in the shoulders, forearm, wrist, hand, back& neck pain and eyes strain.Normal blink rate in human is 16-20 perminute. When this blink rate getsreduced to 6-8 blinks/minute, it results in dry eyes. Near focusing for long hours causes eye strain. Early presbyopia (need for reading glasses) sets in. Other symptoms include headache, eye strain, blurred vision, dryor irritated eyes, double vision, light sensitivity, neck ache, back aches etc.The pre disposing factors which mainly cause discomfort are1.Work place conditions2.Working habits3.Visual conditions4.Nature of work5.Length of time spent at computer6.Reduced blinking rate7.In co ordination between design of work station and design of glasses.A Good Chair: Feet should rest on the floor. Angle should be of 90 degrees at the knee. Arm rest is desirable. Back rest must support the area from the upper ridge of the pelvis to the shoulder blades.The curve in the back rest must support the hollow in lower back. An adjustable tilt is desirable.Lighting - Required illumination on the working surface. Lower level illuminance for general areas. (3:1ratio)Eye Care Tips for computer users and professionals~Monitor should be more than 5 inches from the eyes.Ideal viewing area is 6 inches below thehorizontal eye level.Work with fonts of darker shades on light background.Attach an anti-glare screen in front of the monitor.Use screen mounted document holder at the same plane.Use suspended lights from ceiling & windows with curtains to avoid light hitting directly on eyes.Avoid sitting in front of AC or in a room with low humidity.20-20-20 rule - Take short breaks for your eyes every 20 minutes between your work for 20 seconds and look 20feet away.Give proper rest to the eyes – Close youreyes for 20 seconds at least every half an hour.Correct near vision with glasses.Use of Anti reflective coating glasses canreduce glare from a monitor.Contact lens users need to lubricate their eyes frequently.Lastly working at the computer is notharmful to eyes, but make sure to examine your eyes at least once a year.

Reduce your work time by using these Shortcut Keys associated with their Descriptions:

Alt + Left Arrow Back a page.
Backspace Back a page.
Alt + Right Arrow Forward a page.
F5 Refresh current page, frame, or tab.
F11 Display the current website in full screen mode. Pressing F11 again will exit this mode.
Esc Stop page or download from loading.
Ctrl + (- or +) Increase or decrease the font size, pressing '-' will decrease and '+' will increase.
Ctrl + D Add a Favorite for the page currently opened.
Ctrl + I Display available bookmarks.
Ctrl + N Open New browser window.
Ctrl + P Print current page / frame.
Ctrl + T Opens a new tab.
Ctrl + F4 Closes the currently selected tab.
Ctrl + Tab Moves through each of the open tabs.
Spacebar Moves down a page at a time.
Shift + Spacebar Moves up a page at a time.
Alt + Down arrow Display all previous text entered in a text box or available options on drop down menu.
Alt + D Highlights the text in the address bar