What are Blue Light glasses?

Blue light glasses

Blue Light Blocking glasses

Blue light glasses are type of glasses fitted with lenses which filters out Blue light. These Blue light blocking glasses reduce the effects of Blue light emitting from digital devices, computer screens and LED lighting.

Blue light is a type of High Energy Visible (HEV) light ranges from wavelength 380-500nm. This has a shortest wavelength and Highest energy in the visible spectrum. The Blue light is all around us. The majority of Blue light comes from the sun, but the recent human lifestyle changes means that we are now also exposed to artificial sources too such as digital screens, computer screens , LED lighting and Mobile phones.

Blue light is considered both good and bad for us. We need certain amount of Blue light to help our bodies with the circadian rhythm or the sleep wake cycle and for improving mood but over-exposure to Blue light may lead longer term eye health conditions, digital eye strain and interruptions to human sleep cycle.

The Blue light may cause Ocular tissue damage and may increase the risk of macular degeneration. Computers, tablets, e-readers, smartphones and other electronic devices with digital displays can all cause tired eyes, digital eye strain and computer vision syndrome.

For protection against the potential damages, its good to use the Blue light blocking glasses For these types of glasses, please check our products page These Blue light glasses block around 25-40% of Blue light between 380-500nm and provide adequate protection against Blue light.