Digital eye strain is caused by several factors, including exposure to blue light that is emitted by digital devices and staring at objects up close for extended periods of time. People typically blink 12 times a minute, but when they stare at a screen, they tend to only blink five times a minute, which means their eyes are not being lubricated properly.

Tired eyes, blurry vision, neck pain and headaches are all symptoms of our technology-obsessed reality and goes by the acronym DES: digital eye strain, also known as ocular fatigue.

Canadians are using technology more frequently than ever before -- but what is it doing to our eyes? We're becoming more knowledgeable about the impact blue light has on our health and we know exposure will only increase over time. Digital eye strain is one thing, but the effects of blue light are cumulative, and can lead to more serious eye diseases.