TAKE CARE OF YOUR EYES' HEALTH + IMPROVE YOUR SLEEP. The human eye hasn't evolved to stare at a screen for many hours a day. This is why the blue light from screens leads to many health issues down the road, such as retina macular degeneration and cataract. Other negative effects of blue light include difficulty to rest at night. By filtering it you can very quickly fall asleep and enjoy a full night of proper rest. Invest in your health and protect yourself as of today. WORK FROM HOME IN PERFECT COMFORT. You probably spend many hours per day looking at a screen for work or entertainment. It doesn't matter if you are working on spreadsheets and documents, or having fun watching your favorite TV show or playing videogames... you are continuously exposed to blue light. Wearing the Optics will make a difference in your everyday life and increase both your productivity and enjoyment ANTI-FATIGUE + ANTI HEADACHE + BECOME MORE PRODUCTIVE. Do you ever, after spending a few hours in front of the screen, get tired eyes, maybe they feel a bit dry, or a headache? The Optics will solve this, your eyes will be rested, you will be more attentive. If you play video games this will allow you to play at peak performance. HIGH QUALITY. Our glasses filter 92% of the blue light (400 nm), way higher than the industry average. The lenses are designed with German technology. The glasses only weigh 15 g, they add very little extra weight to your glasses. CAREFUL. The lenses have one of the strongest filter for maximum effectiveness. This means that you will get a yellow tint which you should get used to in a few minutes. CONVENIENT AND AFFORDABLE. We have identified the issue with the difficulty to find a perfect blue light filtering glasses market. With the OTG clip on style, it is designed to fit most of the glasses you already own perfectly and it's easy to use. We wish to offer you the best eye protection at a very reasonable price. Technologies is now one of the top brands for blue light glasses in Europe. We came from nothing, belong to no large corporation, have no outside investors. Our success only depends on your satisfaction. This is why we offer quality, durable products. Our goal is that you can get your glasses with this peace of mind. We believe that we should put our money where our mouth is. If you enjoy the product, we win. If we fail to deliver, we lose. Our blue light blocking glasses are different thanks to their very high end German lenses. Most competitors offer glasses with a filtering rate of blue light that oscillates between 50% and 70% at most. OTG filter 92% of the blue light for perfect protection, while keeping color distortion to a minimum thanks to their clear lenses. The OTG have been designed to be easily attached to almost any type of frame shape and size for increased compatibility with a huge variety of glasses. You can attach or detach them in just a second thanks to its simple yet effective mechanism. This mechanism also allows you to raise the blue light filters above your eyes without having to detach the lenses completely. The OTG weigh only 15 grams, so you will barely notice them while attached to your glasses. The clip-on mechanism is so sturdy that they won't move at all. All contact points are covered with soft rubber to keep the lenses on your glasses safe from scratches. The blue light coming from screens is not innocuous. If your eyes are exposed for too long, you could face short term symptoms and chronic long term issues. Screens are mostly known to be detrimental to a fast and restorative sleep. Choosing the OTG is investing in a better sleep. The blue light can also produce eye fatigue, ocular dryness or headaches. In the long term, there is a risk of retinal degeneration. Avoid those issues and take care of your eyes easily by wearing a pair of OTG glasses when you work or when you play in front of a screen. PERFECT PROTECTION EASY TO ATTACH ONLY 15 GRAMS ANTI-FATIGUE & ANTI-HEADACHE HIGH QUALITY LENSES COMPATIBLE WITH MOST MODELS STURDY LENSES AND CLIP-ON MECHANISM PROTECT YOUR EYESProducts from GuanGuan's store