Spending money on eye care, but no effect of eye care behavior!
In the changing times, the popularity of electronic products has a great impact on us, more and more people because of excessive dependence on electronic products, the use of eye time increases; The eyes produce a variety of discomfort symptoms, serious cause a variety of eye diseases, and the demand for anti-blue light gradually becomes larger.
Today we share the most easy to step on the pit of anti-blue light measurement scam!
Light scam
For people who use electronic products for a long time, blue energy retention in the eye, will cause certain damage to the eyes, with a good pair of anti-blue glasses is indeed necessary, anti-blue eye protection is a good concept, this is beyond doubt!
In fact, the laser pointer emitted is not blue light, but the wavelength range of 405±10nm of light, is the band of ultraviolet and violet light, but also the blue light of natural light, but not the blue light of the electronic screen (430-500nm). The laser pointer emits violet light, the lens can be blocked, the anti-blue light test card does not change color, can only prove that the lens has anti-ultraviolet/violet light, or anti-natural light blue light function, and can not steal the concept that the lens can also block the electronic screen blue light (430-480nm).
Unreliable anti-blue detection methods are prevalent, making more fake anti-blue glasses can be mixed, which aggravates the chaos of the anti-blue light market, resulting in a lack of optical knowledge more difficult to choose from the true anti-blue light glasses, can really block the electronic screen anti-blue light glasses.