There are different kinds of light-sensitive receptors inside our eyes. Two of them are called cones and rods. The cones sit in yellow patches and are responsible for our perception of colour and detail, and they need light to work well. This is why we find it more difficult to discern contours and colours in the darkness. The rods are very light-sensitive and are instead responsible for our vision in the darkness and what we can see in the periphery.
Light saves lives
The ability to react quickly is often decisive for safety on our roads. As we get older, both our ability to react and our sight become worse. With an ageing population, it is even more important to have well-lit roads.
Well lit roads can help reduce accidents. For example, a 40-year-old needs four times as much light to be able to see as well as a 20-year-old. A 60-year-old needs eight times as much light. With our ageing population, the risk of accidents on poorly lit sections of road naturally increases.
Glare is the result of the eye being exposed to a higher light level than l to which the eye has adapted. Glare is a bigger problem during the dark hours of the day, as the difference between darkness and light is more pronounced
Vialume 1 and visual comfort
Vialume 1 has been optimised with our unique AGC lenses (Advanced Glare Control), offering unparalleled visual comfort. The large lenses are arranged tightly together to form one single light cluster. We have also raised the light surface a little in the luminaire, so that there is no glare at a distance. The light cluster also illuminates the inner edge of the light opening a little, so that the luminaire is visible from a distance. This means that the eye is able to get used to the light before you reach the luminaire. This also reduces the risk of glare. When the glare is reduced, the visual comfort increases.
Voices on visual comfort:
Henrik Clausen, Director, Fagerhult Lighting Academy:
"For me, visual comfort means that the luminaire is perceived to be pleasant in its context, while at the same time the context must be pleasant. Visual comfort is also about the light being in the right place in the outdoor area, so that it feels secure for the person experiencing the place."
Harita S. Undurty, architect and light designer:
"As a lighting designer, I would describe an environment as visually comfortable when the lighting situation optimises the visual capacity. This is achieved primarily by minimising or ideally eliminating glare from the light sources."