Computer vision syndrome (CVS), or often also referred to as visual fatigue and digital eye strain, is a term for a collection of symptoms related to eye disorders due to the use of computer-based electronic devices, such as laptops, desktops, cellphones, and tablets. Symptoms that usually accompany CVS are fatigue or aching in the eyes, blurred or double vision, and red, dry, or hot eyes. Even in some cases, headaches, necks, shoulders and back can be accompanied. The longer the duration of computer use, the longer the symptoms will last, even continuing after computer use is complete. How Does Computer Use Cause CVS? Computer vision syndrome can arise due to several reasons, namely: When looking at the screen, the eyes keep moving from one point to another and focus for a long time. This activity requires hard work of the eye muscles. The letters on a computer screen are generally not as sharp as in the print media, so unconsciously it will force our eyes to focus more on rea...