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What is Blue Light?
Light is either invisible (ultraviolet, aka UV rays) or visible. Blue light has the shortest wavelength in the visible light spectrum, meaning it contains the most energy. The sun used to be our only source of blue light, but now LED and fluorescent lighting, along with electronic devices and digital screens (found on cell phones, computers, tablets, TVs, and gaming consoles) have increased our exposure to high-energy blue light.
Blue light is a significant factor in your circadian rhythm (your body's internal clock). Exposure to blue light via sunlight throughout the day helps synchronize your body's natural processes. Research suggests that a poor circadian rhythm may play a role in disrupted sleep cycles, tumoral diseases, diabetes, obesity, and depression.
Most people are exposed to excess blue light on a daily basis, which can have a negative impact on your circadian rhythm and may lead to other issues such as:
- Digital eye strain
- Macular degeneration
- Complications after cataract surgery
- Decreased melatonin production (sleep dysfunctions)
People who work on computers all day have a higher risk for digital eye strain and other related ocular conditions due to increased blue light exposure from their computer screens.
Benefits of Blue Light Blocking Glasses
Research on the effects of blue light blockers is limited because this issue is novel. However, studies have shown that eyewear with blue light filters are an effective treatment for LED-induced melatonin suppression.
Many eye doctors and patients have reported decreased digital eye strain and an increased ability to focus in people who have high screen times. Though it is unproved, blue blockers may also help prevent against ocular conditions such as macular degeneration, as well as other serious health conditions.
Best Blue Light Blocking Glasses of 2020
ANRRI Blue Light Blocking Glasses
This ANRRI pair of blue light glasses is made from super lightweight, flexible and durable TR90 thermoplastic. The lenses are polycarbonate (non-prescription) and cut 90% of blue light. They also come with a case, cleaning cloth, and most importantly, a lifetime warranty.
Best Prescription Lenses
Warby Parker Blue-Light Filtering
Warby Parker was founded in 2010 and has been providing high-quality, stylish eyewear at just a fraction of the price of major brands. Their home try-on program lets you order up to five eyeglasses and try them over five days for free, or you can visit one of their retail locations around the U.S. You can add blue-light blocking to any prescription glasses.
SOJOS Retro Round Blue Light Blocking Glasses
These SOJOS retro round frames come in several stylish patterns. The frames are made from virtually indestructible TR90 thermoplastic. The silicone nose pads are adjustable and allergy free for maximum comfort. Each pair comes with a microfiber pouch, microfiber cleaning cloth, and glasses box. This makes a great gift set.
Best on a Budget
Maxjuli Blue Light Blocking Glasses
These blue blockers are a solid budget friendly pair of glasses. They've racked up a 4.4/5 rating with over 4,000 reviews on Amazon. They're impact resistant and dustproof, and come with a no reason return or money back for 180 days as well as a 365 day warranty.
Best for Gaming
Gamma Ray Blue Light Blocking Glasses Amber Tint
These are one of Amazon's top selling blue light blockers, and they work well as gaming glasses. The frames are TR90 lightweight, flexible, and durable thermoplastic. The lenses have an anti-reflective coating and a light amber tint, but not enough to alter your color perception. These glasses provide anti-glare vision as well as protect gamers from harmful blue light. You can also add magnification if you want. They have a 90 day money back guarantee and the frames and lenses come with a lifetime warranty.
Best Reading Glasses
Gaoye 5-Pack Reading Glasses Blue Light Blocking
This Gaoye 5-pack of blue light reading glasses can be customized with 0.0x to 4.0x magnification. Their light and flexible spring hinge resin frames are durable and comfortable. This is a great deal for people who like to have readers with them everywhere they go.
Best With Magnification
Kerecsen Computer Glasses Amber Lenses 2 Pair
These Kerecsen computer glasses can be customized from 0.0x to 4.0x magnification. The lenses are scratch-resistant and have a very light amber tint. They have a 90 day money-back guarantee and a 1 year manufacturer's warranty.