How much time do you spend in front of a digital device, be it a computer, a tablet, a smartphone or another type of screen? Probably a good few hours each day. Studies have shown that the amount of time we spent looking at screens has risen steadily over the last few years, and during the current Covid-19 pandemic, we have been forced to rely on technology to keep us connected – to colleagues, friends and loved ones, ramping up our screen time even more.