While PCs have certainly made life easier, they have taken their toll on our eyes. Most suffer eyestrain after spending hours in front of the monitor. Here are some ways to overcome the eyestrain:
Adjust monitor brightness to an intensity that is comfortable for the eyes. It should not be too bright or too dim.
Avoid bright light in your peripheral vision surrounding the PC (sunlight from the window, bright lamp, etc) .
Screen background should be such that letters are easily read. Repeat brightness and contrast adjustment till you are comfortable with the outcome.
Restrict glare on your screen (such as the reflection of a table lamp or light from the window) to the minimum.
Position the monitor perpendicular to windows or other bright light sources to reduce glare.
Avoid staring at the monitor constantly. In other words, blink at regular intervals.
As a precaution, wet tissue or handkerchief with clean and if possible cold water and place it over closed eyes for a few minutes. This will refresh eyes.
Cup palms and rest your eyes in them.
At periodic intervals fix your sight on a particular distant object and then return attention to the screen.
Use power-free glasses to help reduce strain on eyes.