JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser.
FREQUENTLY ASKED QUESTIONS
Your questions answered
ScreenTime Computer Glasses filter 50% of light ranging from 400 to 500 nanometers. What sets the glasses apart from all the other computer glasses is that the ClearBlue lens technology; this filters 50% of blue light at 455 nanometers where the most energetic, damaging light emitted from screens, LED’s, and other modern artificial lighting. Most companies supplying clear blue blocking glasses are only blocking 5% - 15% of blue light and are not blocking any at the 455nm range where it matters the most!
BlockBlueLight have specially designed the clear lenses in a unique way that the most harmful wave lengths of blue light are blocked which causes eye strain, headaches, migraines, and macular degeneration, and at the same time still providing crystal clear vision without any colour distortion.
Daytime glasses will not be effective for use at night-time and will not provide any benefits for sleep. To be effective and help with sleep, night-time blue blocking glasses MUST block 100% of blue light, or even better would be 100% blue and green light up to 550nm. This is because any amount of blue light at night is a signal to the brain that it's daytime and the sun is up. Daytime glasses don’t block all blue light, they are only designed to filter it down to more natural daytime levels.
If you want to allow yourself to truly wind down and relax in the evening and then get a deep and restful sleep, a pair of night-time blue blocking glasses is essential.
Need help understanding what’s right for you?
Each and every one of us is different, as are our supplement needs, that’s why at Functional Self we have a dedicated team of health-coaching professionals available to help you find exactly what’s right for you.
Sign up for the latest supplement, health and wellbeing news
Functional Self would like to keep you updated about our latest news and offers. If you are happy for us to do this, please enter your email above. See our Privacy Notice for more information on how we handle and use personal data including how to withdraw consent at any time.