|While selecting sunglasses, for the maximum protection of your eyes and skin, choose sunglasses that block 100 percent of the sun’s UV rays. Now – a – days, almost all prescription sunglasses come with a free UV coating.
Among the colours, the most popular one for sunglasses is the gray colour. They are known to provide the most natural vision, with little or no distortion of colours. Even brown lenses are a good choice. They may alter colours slightly, but they also enhance contrast, making them an excellent choice for driving or other activities that require acute vision.
Apart from gray & brown, there are many other lens colour you can choose from, including green, blue, amber and rose. But be aware that some of these lens colours have the disadvantage of affecting significantly your colour pereption, and may even cause a little problem at traffic signals (for example, it can be difficult to see when the green light is lit).
Another factor to consider is the darkness (density). For a very bright, sunny day on the water, you might like a very dark sun lens. But a lighter tint will be definitely better, for drawing in changing conditions of sun and clouds. Similarly to the lens colour, UV protection is not dependent on the darkness of the lenses. As long as the lenses are labeled “100 percent UV protection”, you can select whatever lens colour or tint density you like.