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Frequently Asked Questions about Light Therapy for Seasonal Affective Disorder

By Deborah Gray, Health Guide Saturday, January 28, 2012
February is just about upon us and this is frequently a time when Seasonal Affective Disorder or (SAD) is most prevalent.  There have been a lot of questions about the affectiveness and logisitcs surrounding light therapy to treat Seasonal Affective Disorder. In this sharepost I'd like to addres...
Depression and Thyroid Disease
1/30/12 1:29pm

     I live in Idaho and I spend my winters craving sunlight and battling depression.  Thank you so much for posting on light boxes.  I have been considering a light box purchase.  I do not currently have a SAD diagnosis, but my primary MD prescribes Lexapro for my depression.  I did have some questions if you don't mind.  Can you sit in front of a light box (and meditate) with your eyes fully closed and the light box be effective?  How far away from the lights do you need to be?  Can the lights burn a fair skinned person (like a sun burn)?

     Any information would be greatly appreciated.  I'm going to contact my insurance company and see if they will cover all/part of the cost.  One more question (sorry).  Can you refer me to a good quality light box, preferably closer to the $100.00 than the $400.00 if possible?  Thanks again for a very informative post. 

Deborah, Health Guide
2/ 5/12 11:38am

Hi Rena,

 

The current thinking is that your eyes need to be open for the light to have an effect. However, there are some indications that light therapy might work even if you have your eyes closed. Some people find relief from SAD just by using dawn simulators, and your eyes are closed for most of the time with them.

 

If the lights are properly diffused, there should not be any possibility that you could get a sunburn, or longterm, develop skin cancer. The lights should be diffused with some sort of semi opaque plastic or glass. 

 

I can't recommend a particular light box, partly because they really all do the same thing. But I would suggest reading the reviews on Amazon, through this search, for instance: Light therapy

 

Good luck! If I didn't live in California I definitely would be using light therapy, even though I'm on antidepressant therapy. 

Merely Me, Health Guide
1/30/12 5:32pm

Thanks Deborah for writing on this timely topic.

 

I have been debating for a long time on whether to get  light box.  Mainly because I am not sure I have SAD.  I get depressed in all seasons really.  Could the light box help with just regular depression?  I wonder if it would help my son with autism?  Is there anything in the literature about this helping children?

 

Great information....this is a post I am sure many of our members can use right now.

 

MM

Deborah, Health Guide
2/ 5/12 11:42am

Hi MerelyMe,

 

You never know how much of your depression is caused by lack of sunlight. I think it depends on whether an individual with depression feels better in the summer or when they've been exposed to a lot of strong natural light. If so, I would think that light therapy would help. 

 

I don't know if it has been specifically studied in children (I'm pretty sure it hasn't been studied in people with autism), but if a child suffers with SAD, this should be the first treatment attempted, as far as I'm concerned, before medication.

 

Deborah

2/ 1/12 1:06pm
Oh come on!! I'm going to use the light box for SAD and it's going to cause headache, dry eyes, nausea, mania, euphoria, hyperactivity, to mention a few of the side effects. How am I any better off, now I need a whole slew of meds for all these problems.. Is this true? Do light boxes create these side effects?
Deborah, Health Guide
2/ 5/12 11:46am

Hi Debjlan,

 

I know it sounds kind of goofy to even be talking about side effects when antidepressants cause so many, but I wanted to cover all aspects of light therapy, since people have reported these side effects. As I said, though, they're generally mild and go away on their own.

 

Deborah

Anonymous
pw
2/ 2/12 10:49am

Unless you have the equipment to test the UV output of a homemade light, it may not be a safe option.  Also, full spectrum lights include some UV and at the proximity required for treatment, that could harm the eyes and skin of the user.

 

If you are seeing your doctor and they are determining you have SAD, ask them about light boxes to use or visit the Mayo Clinic online or cet.org for light box guidelines.  As well, many insurers have specific guidelines as to the light boxes they would cover, such as 10,000 lux output.

 

To learn about how light therapy works the two websites noted have soem helpful information and some sellers will allow you to rent the lights to see if they will work for you, since they don't work for everyone.

Deborah, Health Guide
2/ 5/12 11:47am

Hi pw, 

 

I agree with your cautions about making your own light box, particularly as they are so much more affordable than they used to be. You could spend nearly the same amount in materials to make your own, and the safety could be an issue unless you had the proper testing tools.

 

Deborah

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By Deborah Gray, Health Guide— Last Modified: 02/05/12, First Published: 01/28/12