The Benefits of Blocking Blue Light

Almost everyone wears glasses at some point in their lives. In developed countries the rule of thumb is that around 70% of adults need corrective lenses to see well. In Britain that translates to some 35 million people, and this is on the rise, potentially due to our early 21st Century urban living; the time we spend in doors, the screens we use, the colour spectrum in LED lighting, and the needs of an ageing population. We would like to look in a little more detail about the contribution our…

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