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F.A.Q.

How should I effectively use light therapy?

Light therapy proves to be most effective when using the proper combination of these three elements: Intensity, Duration and Timing.

Intensity of light boxes are recorded in lux (a measure of the amount of light you receive at a specific distance from a light source). Light boxes for light therapy produce between 2,500 lux to 10,000 lux. Most commonly they produce 10,000 lux.

Light therapy on average involves daily sessions ranging from 30 minutes to 2 hours. When first using light therapy it is wise to start at small increments of time such as 15 minutes, and then to gradually work up to longer periods. For most people, light therapy is most effective if used in the morning, soon after waking up, rather than in the evening. Using light therapy at night may disrupt sleep.

How soon will I see the benefits?

You can expect to see results from light therapy after just a few days, if used appropriately. (Though it usually takes two or more weeks.)

Who will benefit by using Nature Bright light therapy products?

Anyone can benefit from Nature Bright’s light therapy products! Light therapy is effective in helping people with low mood, loss of energy, jet lag, and sleep disorders, and is especially proven in helping people who suffer from Seasonal Affective Disorder.

What are common side effects of light therapy?

Light therapy has a good record of safety and does not seem to produce any major side effects. Minor side effects of light therapy may include eye irritation and dryness, headache, nausea, and dryness of skin.

Do I have to take off my glasses when I use Nature Bright products?

Not usually, but if you have transitional lenses that darken when you go outside, you have to remove them during the session.

Can I get sunburned from using Nature Bright products?

No. While typical fluorescent bulbs or LEDs produce UV light, our products eliminate almost all measurable UV light.

Should I keep my eyes open for optimal results?

Yes. Our products work through the retina of the eyes, not the skin. This is not a tanning light. In fact, our products emit specific wavelengths, which produce effective results while eliminating UV hazards and reducing eye strain. Keep in mind that you do not have to stare at the light, as long as you are close to the light and glance at it on occasion.

Can the lights be combined with antidepressant pills?

Yes. Studies have shown that the most effective treatment for Seasonal Affective Disorder is the combination of light therapy with antidepressant pills. Please contact your doctor for the correct dosage.

Does medical insurance cover light therapy cost?

The American Psychiatric Association, the U.S. Public Health Service Agency for health Care Policy and Research, a Canadian Consensus Group of clinician-researchers, and our Society of Light Treatment and Biological Rhythms have published clinical guidelines and endorsed the use of light treatment for circadian rhythm disorders. Most major insurance companies now authorize or reimburse the purchase of light therapy equipment. Please contact your insurance company to see if they cover the purchase of a unit. Procedure codes: HCPC: E0203 ; CPT: 96900.

Do Nature Bright products help with Vitamin C or D deficiency?

Because our products do not emit UV rays, they do not help with Vitamin C or D deficiency.

How close should I sit to the light for it to be effective?

Please refer to the individual product’s user manual.

How often do I need to change the bulbs in my lamp?

Our fluorescent bulbs, which are in the SunTouch Plus, have a lifetime of 5,000 hours. Our LED bulbs, which are in our Square One, have a lifetime of 100,000 hours.

What is the difference between Blue Light and our Blue-Enriched White Light?

Dr George Brainard first discovered the 3rd receptor in human’s eyes and concluded that only blue light at 465nm can affect the 3rd receptor. Blue light at 425 – 485 nm is powerful and “toxic” since it is near UV. Many are concerned about blue light causing Age Related Macular Degeneration for long term use. However, a Harvard study shows using blue light according to instruction (e.g. 15 – 30 minutes a day) will not harm our eyes. We understand the benefits of blue light yet we don’t want to use pure blue light for lighting for two reasons: 1) safety, 2) lighting effects. So, we have developed our “Sky Effect” technology, which is so called blue-enriched “White Light” that is still within full spectrum wavelength 400 – 700 nm with peak-wavelength of 465nm (Brainard wavelength). Blue-enriched white light means it contains 70% more blue light potent than conventional fluorescent white light.

When should I use Nature Bright light therapy products?



If you encounter the following problems Use these guidelines for Morning Light Therapy Use these guidelines for Evening Light Therapy
Delayed Sleep Phase Disorder
(Fall asleep much later than normal)
15 to 30 min after awakening to the sunrise simulator
Advanced Sleep Phase Disorder
(Fall asleep much earlier than normal)
Awakening to the simulated sunrise 15 to 30 min between 8 to 9pm
Early-morning awakening insomnia Awakening to the simulated sunrise 15 to 30 min between 8 to 9pm
Sleep-onset insomnia 15 to 30 min after awakening to the sunrise simulator
Non 24-hour sleep/wake rhythm
(Fall asleep at a different time each day)
15 to 30 min after awakening to the sunrise simulator
Jet Lag
(Travel Eastward)
15 to 30 min after awakening to the sunrise simulator
Jet Lag 15 to 30 min between