Computer vision syndrome is the term used to describe eye-related problems resulting from prolonged computer use, such as eye strain and irritation. These problems are more noticeable with computer tasks than other near work because letters on the screen are formed by tiny dots, called pixels, rather than a solid image. The eye has to work a little harder to keep the image in focus.

Computer screens are not harmful to the eyes, but they can cause eye strain. People experiencing symptoms from prolonged computer usage are advised to take frequent breaks from looking at the screen and blink frequently. In some cases, specialty lenses and proper workspace design are helpful in order to reduce or eliminate the problem. Appropriate ergonomic organization of the workspace is also critical to minimize eye strain. Often, a separate pair of glasses specifically designed for computer use is beneficial.

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