As our world becomes increasingly tech-driven, it’s impossible for most to avoid looking at screens for long periods of time. From working to gaming and social media, everything is done on a screen, which isn’t very good for your eyes. An eye doctor has shared a helpful ’20-20-20′ rule everyone should follow when spending hours staring at a device and listed some more helpful eye care tips to be aware of. You only get one pair of eyes, so it’s really important to look after them. ’20-20-20′ rule for looking at screensOptometrist Francesca Marchetti and Pharmacist Mark Burdon, both advisers to …