In summer, sunglasses are an essential part of your outfit. That's not only because they look stylish, but also because they protect eyes from bright light. However, what many people don't realise is that damaging UV rays are much more dangerous in winter than in summer. In summer, green surroundings only reflect about 6% of light. For snow, though, that figure is nearly 95%. Only sunglasses with high-quality lenses provide eyes with effective protection against eye inflammation or more serious conditions. This is because sunlight, which contains high levels of UV energy, can cause damage to the retina. All of this means that money spent on high-quality sunglasses is a wise investment.
How much blue light do we need? And how and when should we be protecting ourselves against it?
BETTER VISION asked Volker Gahr – the Senior Product Manager responsible at ZEISS for ZEISS PhotoFusion – to describe the key features of modern photochromic lenses
10 tips from BETTER VISION: who are photochromic prescription spectacle lenses by ZEISS ideally suited for and when should they be worn?
Speed, changing light conditions and airborne particles present special challenges to glasses for cycling: here are some tips from BETTER VISION.
There are many situations that make a second pair of spectacles the most important accessory you can have.