Thanks for your kind words about THE LIGHT DOCTOR book.
I do not know the spectral transmission curve for BluTech lenses, but I am going to investigate this further, and the evidence that underlies their claims.
Regarding Soraa light bulbs, you are correct that the only zero blue bulbs they currently sell are static. However they should be coming out with a dynamic circadian light bulb in early 2025 that automatically changes from daytime blue rich to evening zero blue. I will be reviewing these as soon as they are on the market
Thanks for the interesting post. I am reading the book now and I find it amazingly important and well written. Dr Kruse, another advocate for healthy circadian lighting told at an event about the glasses he uses to prevent circadian disruption. One of the glasses was an orange tinted one like the ones you are describing, the other was a patented BluTech lens technology, which seems to come without alomost any tinting and still promises to filter out the spectrum around 480nm. Do you know of these lens? I actually did not find an easy way to buy them... which seems to be an issue with many of the products around this topic.
I managed to buy some Soraa ZeroBlue bulbs, however it seems that thr current Soraa products (as opposed to the statements in the book) do not offer synamoc cycling between different spectral compositions throughout the day but just provide one specific sort of light, which makes it more challenging to lit the rooms with them. Do you know of light bulb product in the usual E14 or E27 interface / form factor that can do this currently?
Thank you for your great insights. Best Regards, Laszlo Papp
Laszio:
Thanks for your kind words about THE LIGHT DOCTOR book.
I do not know the spectral transmission curve for BluTech lenses, but I am going to investigate this further, and the evidence that underlies their claims.
Regarding Soraa light bulbs, you are correct that the only zero blue bulbs they currently sell are static. However they should be coming out with a dynamic circadian light bulb in early 2025 that automatically changes from daytime blue rich to evening zero blue. I will be reviewing these as soon as they are on the market
Martin
Thanks for the interesting post. I am reading the book now and I find it amazingly important and well written. Dr Kruse, another advocate for healthy circadian lighting told at an event about the glasses he uses to prevent circadian disruption. One of the glasses was an orange tinted one like the ones you are describing, the other was a patented BluTech lens technology, which seems to come without alomost any tinting and still promises to filter out the spectrum around 480nm. Do you know of these lens? I actually did not find an easy way to buy them... which seems to be an issue with many of the products around this topic.
I managed to buy some Soraa ZeroBlue bulbs, however it seems that thr current Soraa products (as opposed to the statements in the book) do not offer synamoc cycling between different spectral compositions throughout the day but just provide one specific sort of light, which makes it more challenging to lit the rooms with them. Do you know of light bulb product in the usual E14 or E27 interface / form factor that can do this currently?
Thank you for your great insights. Best Regards, Laszlo Papp