What is red light therapy? Can a normal LED bulb that we use in a room be used for red-light therapy for eyes?

The light needs to be the right wavelength as you called it, there is no trademark on that. Look for devices that match your need and adjust the power within reason. There are cheaper masks on the market that use the correct type of lights (around the 50 bucks mark)

I have 4 in my darkroom and it’s awesome. Paper test showed no fogging after 25 minutes of exposure to the lights (longest I felt like being in there with nothing else to do

LED light therapy is a popular noninvasive skin treatment for acne, sun damage, wounds, and other skin problems. People can choose to have LED light therapy at a dermatologist’s office or to use a device at home.

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My friend put 4 or 5 around his darkroom with no issues and great quality of visibility. Red only.

Red light:

Red LEDs have the distinction is being older/cheaper/different than color leds; they are inexpensive and the chemicals in the semiconductor only make red and don't need to be filtered.

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Experts believe that blue LED light reduces activity in the sebaceous glands, which are small oil-producing glands in the skin. This reduction in activity causes the glands to produce less oil, possibly improving acne, burns symptoms and reducing inflammation.

Generally, there are two kinds of LED lights used for treatment, red light and blue light, which correspond to different conditions due to different wavelengths.

Red LED light may improve scarring and signs of aging, such as wrinkles. It may do thisTrusted Source by acting on fibroblasts, which are skin cells that are responsible for collagen production.

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Are you interested in LED light therapy? Any questions and discussion are welcome.

The treatment uses varying wavelengths of light to trigger the skin’s natural healing processes to repair the skin. Several treatments are necessary to see results.

Blue light:

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Collagen is a protein in the skin and other connective tissues. It plays a role in skin healing. The body produces less collagen as a person ages, which causes the skin to show signs of aging. Red light also reduces skin inflammation.