Blue Light Blocking Glasses for Men & Women - Aviator Frame Computer Gaming Glasses with Anti Blue Ray Technology (BAV302 Silver) - Reduce Eye Strain for Work, Gaming & Screen Time

He lives them. They look great and work greatGood quality for the priceThese were not blue light filtering lenses.The screen on your devices (laptop, tablets and phones) and even the television radiate blue light, that could cause problems with your sleeping pattern, and could damage your eyes especially when done in the dark.The Fresh Blue Light Blocking Glasses are lightweight plastic constructed glasses that could help alleviate this problem. They also felt comfortable while using them for several hours a day. Besides the blue light blocking capabilities they look good, specially the B2203 Demi model.It is unclear (no disclosed) how much blue light they actually block, so they will be a good start for anyone looking for a pair blue light blocking glasses when working in from of a computer screen or spending too much time looking at smartphone screen.I tested the Fresh Blue Light Blocking Glasses with a colorimeter and it detected a small reduction (around 22%) of the blue light when placing this glasses between the meter and the computer screen. This is not, by any means, a professional or scientific way to rate the blue light blocking capabilities of the glasses.Since the blue light blocking is minimal, there will be almost not color distortion, and it is also great to wear the whole day.They also could be helpful for occasional relief from screen eye strain or a job that requires long hours working in front of a screen.Since our body do need some blue light during the day to function properly (circadian rhythms), we should not block all blue light during the day...unless recommended by a professional (doctor).I had someone, that complains about eye strain while using a computer and watching LED TV, tried it for a week.I appears that this glasses helped reduce eye strain and even dry eye.So if you heard about blue light blocking glasses and want to give a try without spending much, the Fresh Blue Light Blocking Glasses is a good start.If you want a higher blue light blocking rating, you should look into yellow or even red lenses that could block anywhere from 50% to 100% of the blue light.By the way, most modern devices with screens, do have some king of blue light setting that could even be set automatically to start at specific time everyday. You could select the blue light strength to your liking.On a Windows computer or Android device look for 'Night light settings' and on an iPhone or iPad look for 'Night Shift' under 'Display & Brightness'On many televisions there is a blue light filter in the settings, that you can turn on or adjust to better suit your needs