Are you prone to using the PC until late nights? While some of you may find it inevitable, the bright computer screen is a horror show for the eyes. Vision is greatly affected by the bright screens during the night.
However, there is one tip that you can use to ensure better health for the eyes. This software. http://stereopsis.com/flux/ Download this software and help yourselves with the amount of light coming from the screen at any part of the day in a definite rhythm. You can set the value of light that changes according to time. The screen should be brightest during day and least during nights for better visibility and lower strain on the eyes.
(AW- Anil)