Blue Light Glasses Test

Blue light filter glasses.

Blue light glasses test. Since our blog post titled how effective is your blue light filter test your glasses with this graphic we ve received a lot of questions from people curious to learn more. In this example 99 of light with wavelengths shorter than 520 nm are prevented from passing through the glasses. These stylish reading glasses block out 40 of harmful blue light rays while maintaining clarity without the distracting yellow lenses that are often used in popular blue light blocking glasses. Often times people have purchased glasses from a source and are not certain if they are truly blue light filtering and if they are how effective.

I suggest you just try looking through the glasses at some things that are blue. The clear lenses on these tom ford glasses are enhanced by a blue coating to reduce blue light exposure. This graph is the transmission spectrum for our blue blocking glasses. Most of the effective blue light blocking glasses look like this.

This lens shown in this graph effectively filters all violet blue and a portion of the green spectrum. There are very easy ways to test how much blue light your glasses block without needing an expensive spectrometer test. When you get yourself a pair of blue light blocking glasses or blue light filtering software for your computer like iristech you ll want to test how effective they are at filtering out the harmful blue light spectrum. That means if you use these glasses when looking at a.

If your glasses look like the image above there is a high chance that they don t do anything to block the blue light from your screen. Yes i ve heard that seeing blue light at night can suppress melatonin production and hence interfere with your ability sleep. How to test blue light glasses the only way to know if you have the best blue light glasses for evening use ones that have orange or red lenses is to ask the company for a spectral report. Test your blue light blocking glasses.

These readers also offer protection from uva and uvb rays and have anti reflective lenses that eliminate glare and help you see more clearly. If your red lens glasses are not blocking 100 of light between 400 550nm then return them or do not buy them.