Nathaniel Kleitman was an American physiologist and sleep researcher who served as Professor Emeritus in Physiology at the University of Chicago. He is recognized as the father of modern sleep research, and is the author of the seminal 1939 book Sleep and Wakefulness.
Square frames in a rich tortoise shell hue with subtle curves and a clear saddle bridge. If you like glasses that wrap, this frame has you in mind.
Fit: Medium - Learn Your Size
The glasses are good I noticed a difference in the lighting around me the only thing is the frames are a little too rigid and can make wearing them for long time a little uncomfortable so my suggestion is to make the frames have some give to them
Very comfortable, after wearing the first time I was amazed at how great my eyes felt. After an hour or two I took them off and you can really feel the intensity of blue light that we are surrounded with on a daily basis, especially in an office and on a computer. These are legit.
These glasses are very high quality, and the positive effects of wearing them are noticeable. Highly recommend.
I love the shape, they are very well made and do the job described. I feel more energy and less eye strain after a full day at the office under lights and staring at computers. They do slip down my nose and I have to keep pushing them back into place but I haven't found glasses/sunglasses that don't slip on my face, so not something I would necessarily ding RA Optics for. I also have the evening Clyde glasses and love them the same.
These really help in the morning with headlights
Finding yourself inside, staring at screens day and night? You need to protect your health from the damaging effects of all that artificial blue light. Ra Optics glasses are scientifically-proven to block 95-100% of artificial blue light, saving you from poor sleep, eyestrain, headaches, and feeling fatigued.
For years I searched for a treatment that would heal - not mask - my underlying health issues. What I uncovered changed everything about the way I thought about light, sleep and my health. Keep reading to learn how Ra Optics’ Blue Light Blocking Glasses have made all the difference.
We started with science then made it stylish. Our glasses have been developed with leaders of photoscience, neuroscience, and optics. They are infused with pigments that have been tested and retested for effectiveness. We personally know they work, but many leaders in health and fitness can attest to that too.
