I believe: 1. Blue light from computer screens does interrupt melatonin levels for some patients. 2. I haven't seen a study from anyone selling blue light protective products that measures the amount and intensity of blue light coming out of a computer. 3. Blue light from the sun is bad.
Two Sundays ago I sat in a 1 1/2 hour lecture at the Opticians Association of Massachusestts CE meeting with the CEO of Blutech, Greg Naes. One of the lectures was called "The Science of Blue Light"-one of the handouts said there was Transmittance data" to show that Blutech "is the best product on the market" due to the fact that only their product blocks 450 nm. I have asked Blutech for a week to share that data and guess what? "That data is sensitive" I was told by an optician at Blutech today, so me and my Benjamin Franklin Institute Opticianry students won't have any science from Blutech to examine and Blutech reveals itself as just another dirty lens trying pass itself off as scientifically proven.
The fact that these shady companies assume that we will sell their product without evidence-based medicine is galling. Do not put up with it opticians!
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