Many of us wake up in the dark, turn on the lights, go to work and sit in front of a computer screen for hours on end, passing our days oblivious to the poor-quality lighting that surrounds us. We complain of headaches, of low mood, of poor vision and of getting the blues, or SAD, in the winter, but rarely do we truly consider the effect that light may be having on our lives.

In this brilliant, accessible book Karl Ryberg explains how light affects our eyes, our health and our wellbeing and inspires us to bring more quality light into our daily life. He gives us the scientific information we need to understand the subject, combined with practical advice on maximising our exposure to natural light, selecting the best lighting to use at home, along with advice on minimising the effects of light pollution and blue light from screens and smartphones, working with - not against - our body clocks (including light rituals for better sleep) and gives advice on the use of light therapy and practising eye yoga to encourage your eye muscles to work effectively.