There is no escaping blue light. We are exposed to it in our everyday lives with most of its exposure coming from the sun and dgital devices. Blue light is a necesity for our well-being in regards to our mood, body temperature, melatonin/serotonin regulation, seeing color, and However, many people aren't aware of the effects blue light has on our well-being, which can be both positive and negative.
While the blue filter lenses have been on the market only a few years, not long enough to test their longterm results, evidence suggests that over time, as exposure to blue light increases, it leads to long-term and serious damage to the eyes. High energy blue light disrupts circadian rythms while blue-green light helps regulate sleep. For this reason, the Crizal Prevencia coating is excellent because it blocks the high energy blue light and uv rays but alows through the beneficial blue-green light.