Red Light Therapy and Blue Light Blocking Glasses
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Red light therapy is a therapeutic treatment in which the surface of the skin is exposed to R+ and NIR+ wavelengths that energize the mitochondria to stimulate better health.
Red light therapy (RLT) is a type of photomedicine, a wellness approach that utilizes light of different wavelengths to treat various health conditions. Red light exists in the wavelengths between 620 nanometers (nm) and 750 nm, according to the National Center for Atmospheric Research. Certain wavelengths of light trigger changes in cells that affect how they function for the better, according to the American Society for Laser Medicine & Surgery.
Red light therapy is considered a complementary therapy, meaning it’s meant to be used alongside conventional healthcare and MD-approved treatments. For example, if you have fine lines and wrinkles, you may use red light therapy with dermatologist-directed topicals, such as retinoids, or in-office treatments, such as injectables or lasers. If you have a sports injury, a physical therapist may treat you with red light therapy as well.
One of the issues with red light therapy is that the research is not clear on exactly how and how much of this approach is needed, and how those protocols change depending on what health concern you aim to address. In other words, there needs to be standardization across the board, and such standards have yet to be established by the U.S. Food and Drug Administration. That said, according to some research and experts, red light therapy may be a promising complementary therapy for a range of health and skincare issues. Just be sure, as always, to ask your doctor before you start any new treatment.
Here are a few of the possible health benefits red light therapy may bring to your overall healthcare routine.
1. May Address Skin and Hair Concerns, From Acne to Wrinkles
One of the most popular uses of red light therapy is for skin conditions. At-home devices are readily available, and they have become trendy as a result. These are the conditions red light may (and may not) treat.
- Lines and wrinkles Red light therapy can be used in the treatment and prevention of lines and wrinkles, says Jared Jagdeo, MD, the founding director of the Center for Photomedicine at SUNY Downstate Health Sciences University in Brooklyn, New York. Some research shows that red light may stimulate collagen to smooth out lines and wrinkles. Note: You may see best results for moderate lines rather than those already deeply etched in. At that point, says Dr. Jagdeo, you’ll likely need additional treatments in combination with red light (such as laser treatments).
- Acne Breakouts don’t automatically go away with age — there are many people who deal with acne along with lines and wrinkles. And you may be able to address both in one treatment. In a small randomized controlled clinical study published in January 2022 in Photodermatology, Photoimmunology & Photomedicine, red light therapy decreased lesions by 36 percent for people with mild or moderate acne. Red light may help decrease inflammation and may help kill bacteria, both known causes behind the formation of acne, says Jagdeo.
- Redness It seems counterintuitive that red light would counter redness, but one of its primary functions is to decrease inflammation. Less inflammation in the skin can ease redness, says Jagdeo. Unfortunately, there hasn't been enough research to show that red light is effective in treating skin conditions such as psoriasis, according to the National Center for Complementary and Integrative Health.
- Hair growth Red light may be another treatment for hair loss, notes Jagdeo. “Red light helps decrease inflammation and promote more blood flow to the scalp and hair, allowing follicles to get more oxygen and nutrients,” he explains. One literature review published in July 2020 in Skin Appendage Disorders of 10 controlled studies on low-level laser therapy (LLLT), which employs light on the red and near-infrared spectrum, concluded that this treatment may have increased hair thickness and density compared with controls and were very safe, with minor side effects, such as scalp itching.
2. May Lessen Pain
Research is still emerging on red light’s ability to decrease pain in various chronic conditions. “If you use the right dose and protocol, you can use red light to reduce pain and inflammation,” says Praveen Arany, PhD, an associate professor at the University of Buffalo and the interim director of the Center of Excellence for Photobiomodulation at Shepherd University in Shepherdstown, West Virginia.
How so? “There’s a specific protein on the surface of the neuron that when it absorbs light, it reduces the ability of the cell to conduct or perceive pain,” Dr. Arany explains. Past research shows that LLLT may be useful to control pain for those who have neuropathy (nerve pain, which is commonly caused by diabetes, according to the Cleveland Clinic).
When it comes to other issues, such as pain from inflammatory conditions, much of the research is still done on animals, so it’s unclear just how red light therapy may fit into a pain treatment plan for humans.
That said, according to research published October 17, 2018, in Lasers in Medical Science on chronic back pain in people, as well as on temporomandibular disorder (jaw pain and discomfort), published in Medicine in February 2019, red light therapy may be useful in treating pain from a complementary perspective, with further research needed to better understand the relationship between RLT and pain relief.
3. May Help With Sports Performance and Injury Recovery
Red light may stimulate your mitochondria (the energy powerhouse of cells), triggering an enzyme that drives up ATP (the “energy currency” of the cell according to StatPearls), which — in the end — benefits muscle growth and repair, according to research published in April 2020 in Frontiers in Sports and Active Living. Because of that, photobiomodulation treatment (PBM) with red or near-infrared lights before exercise may enhance muscle performance, heal muscle injury, and reduce post-workout pain and soreness, notes research published in AIMS Biophysics in 2017.
Again, these conclusions aren't well-established. A review published in December 2021 in the journal Life points out that there are still questions about how to use these light therapies in terms of the right wavelengths and timing, depending on the sport, how to apply it to each muscle, and whether or how it translates into performance gains.
4. May Help Brain Health
One emerging possible benefit of red light therapy is in brain health — yes, applying light to your head via a helmet.
“There are striking studies that show photobiomodulation treatments [can potentially] improve neurocognition,” says Arany. PBM may not only reduce inflammation, but may also improve blood flow and oxygen to form new neurons and synapses in the brain, which may be helpful in people who have suffered traumatic brain injuries or strokes, according to an article published in the Journal of Neuroscience Research in April 2018.
According to research published in BBA Clinical in December 2016, scientists are still learning about when to give PBM treatment and if it can be used right after a brain injury or years later; still, it's something to keep an eye on.
Another promising perk? Ongoing studies on the use of red and near-infrared light to treat symptoms following a concussion may turn up benefits, according to Concussion Alliance.
5. May Improve Wound Healing
From skin to oral wounds, red light may be used to improve healing. In these cases, red light would be applied to the wound area until it's completely healed, says Arany. A small study out of Malaysia published in May 2021 in the International Journal of Lower Extremity Wounds shows that PBM may be used alongside standard care to close diabetic foot ulcers; preliminary research on animals published in July 2021 in Photobiomodulation, Photomedicine, and Laser Surgery suggests it may be useful for burns; and other research published in May 2022 in BMC Oral Health indicates PBM may help wound healing after oral surgery.
Furthermore, PBM may improve cell function, decrease inflammation and pain, spur tissue regeneration, and release growth factors, among other benefits, to speed healing, notes research published in October 2021 in International Journal of Molecular Science — larger studies and human studies are needed.
6. May Lessen Side Effects of Cancer Treatment
One possible side effect of chemotherapy or radiation therapy is oral mucositis, which is pain, sores, infection, and bleeding inside the mouth, according to the MedlinePlus. It’s well-established that PBM may prevent or treat this specific side effect, according to a systematic review published in August 2022 in Frontiers in Oncology.
In addition, PBM has been used successfully on skin damage from radiation treatments and lymphedema after mastectomy — and the light therapy did not cause any additional side effects, notes a review published in June 2019 in Oral Oncology.
PBM itself is being looked at as a potential future cancer treatment, because it may stimulate the body’s immune response or enhance other anti-cancer therapies to help kill cancer cells.
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EMR-TEK presents the Best Blue Light Blocking Glasses for 2024
- for protection from blue light and screens
- to reduce eye fatigue and headaches from blue light and screens
- to reduce general fatigue and improve your energy
- to get you ready for sleep and improve your sleep
Our blue light blocking glasses come in yellow (daytime), red (nighttime) and clear (anytime) lenses
Our yellow (daytime) lenses block 100% of blue light (400-450nm) and 90% of general blue light
- preventing eye and general fatigue from excessive computer or screen time
- preventing headaches
- reducing dark circles under the eyes
- these glasses are very easy to wear for computer work
- you may order yellow lenses as reading glasses or include your prescription in these glasses as well
Our red (nighttime) lenses block 100% of blue and green light (up to 570 nm)
- promoting melatonin production
- protecting your circadian rhythm for better sleep
- these glasses are best to wear in the evening to get you ready for sleep
- you may order these as reading glasses or include your prescription in the these glasses. The glasses will be on the darker side and are not as easy to wear as the yellow lenses
- since these glasses block all blue and green light you cannot wear these glasses when driving any automobiles
Our clear lenses do offer some blue light protection to reduce your exposure. These are very easy to wear and come in all the options.
We stock our glasses in reading glasses with standard magnifications of +1.25 and +2.00.
For other reading glass magnifications, select “single vision: and let us know the magnification you would like to have in the glasses.
We also offer our blue blocking glasses custom made to your prescription. You need to select “single vision” or “multifocal” when ordering to obtain correct pricing.
- Choose ‘single vision” for near sightedness (distance) glasses
- Choose “single vision” for custom reading glasses (other than +1.25 or +2.00) and let us know the magnification you would like
- Choose “multifocal” for bifocals
For orders in Canada or the USA, our glasses will ship to you duty-free from our warehouse in Toronto, Canada
For all other countries including the EU, our glasses ship from our manufacturer and so FedEx or UPS will contact you and collect duties on arrival to your country.
Please note that Spain will not allow the import of any prescription glasses.
***Use a discount code or add a second pair of glasses to activate a 40% discount on the second pair***
Please note that our blue blocking glasses do not provide any eye protection for you when using your red and near infrared lamp.
These glasses are for blocking blue light - not for protecting your eyes from red or near infrared light.
To protect your eyes while using your EMR-TEK red and near infrared lamp, you need to wear the protective goggles included with your lamp.
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