Do light goggles or light therapy glasses work?

A reader asks: Do light goggles or light therapy glasses work?Answer: Head-mounted light therapy devices have been around for many years, the first by the same investigators who...

I work in rotating shifts: two days of 7 AM – 3 PM, then

A reader asks: I work in rotating shifts: two days of 7 AM - 3 PM, then two days of 3...

I get the impression from everything I have read that exposure to light at the time of waking

A reader asks: I get the impression from everything I have read that exposure to light at the time of waking...

My 24-year-old daughter had a kidney transplant three years ago

A reader asks: My 24-year-old daughter had a kidney transplant three years ago and will always be on anti-rejection meds. She...

Have any studies been conducted in a clinical setting on the possibility of adverse effects on the retina with any light source of 10,000...

A reader asks: Have any studies been conducted in a clinical setting on the possibility of adverse effects on the retina...

Where in my area can I find help planning the schedule I need to treat delayed sleep phase syndrome once I get the lamps?...

A reader asks: Where in my area can I find help planning the schedule I need to treat delayed sleep phase...

Can light therapy be useful for depression that is not related to seasonal change, i.e., major depressive episodes, cycling/chronic depression?

A reader asks: Can light therapy be useful for depression that is not related to seasonal change, i.e., major depressive episodes,...

I’m in the midst of a chronobiologic Catch-22: I need to wake up earlier to use my light box (for depression) and to get...

A reader asks: I'm in the midst of a chronobiologic Catch-22: I need to wake up earlier to use my light...

 What is your opinion about the safety and efficacy of green light boxes? …

A reader asks:  What is your opinion about the safety and efficacy of green light boxes? A manufacturer cites some research...

I have decided to stop using the light and have not used it for 4-5 days now. I am still waking up at 5...

A reader asks: I have decided to stop using the light and have not used it for 4-5 days now. I...

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