Monthly Archives: April 2009

Watts a Coulomb? Joule love it!

Do you have the ergs to go further? Click Here I’m sorry that I like puns as does my elder daughter. This entry happened when she called for a chat with Dad on a Sunday afternoon. Amy Cane Dolzine (my … Continue reading

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Joules, Watts, Milli-Joules, Milli Watts

Confused by terms? Physicists have specific definitions for “energy” and “power” even though these words are often used interchangeably in common speech. Energy is the ability to do work, while power is the rate at which work is done. OK so now you’re more confused. (Read on)
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Dosimetry and do I need it

OK, so what’s a dosimeter you ask? UV Phototherapy systems in clinicasl use (in a clinic, hospital or doctor’s office) absolutely require some form of dosimetry. A dosimeter is a device that measures the power of the UV light output from the lamps and determines the treatment time required for that particular treatment session based on the input from the clinician.

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Home Users – Determining UV Treatment Time

One needs to recognize that each of us will require treatment times that are unique. Amongst others, some of the items that can affect treatment times include our individual skin type and our prior exposure to UV (Ultraviolet) light from the sun and or other sources. To some extent our diet and/or other drugs we may be taking can affect our skin’s sensitivity to UV. Continue reading

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Highlights from Trade Publications

From Skin and Allergy News: (Damian McNamara) Narrow-band UVB is an effective treatment for vitiligo…” and “… Researchers found this type of phototherapy better tolerated than traditional approaches such as corticosteroids and topical PUVA…” From Dermatolgy Times: (Natta Rajatanavin MD) … Continue reading

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Vitiligo Success Stories

I have Vitiligo around eyes, hands, arms, elbows, knees, feet, hips,shins; started therapy in july 04 with good results so far… eyes filling in, shins about 80% repigged, backs of hands about 50%, knees about 80%, arms about 80%, as well as elbows. Fingers and knuckles only slight improvement, same with the hips. Feet no improvement as yet, but still hopeful. I’ve had vitiligo for over 30 years and wish I had known about UVB treatment years ago, as it has made a huge difference in my appearance as well as my self esteem. Continue reading

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UVB Narrowband Safety

Indications are that UVB Narrowband is an effective and safe treatment for Vitiligo, Psoriasis and other skin challenges.  There are two retrospective studies that I have found that show that UVB Narrowband is a very safe treatment. That’s not to say … Continue reading

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How does phototherapy work?

(Borrowed from National Biological Corp’s Website) UV Phototherapy is a Safe, Effective, and Economical Vitiligo, Eczema and Psoriasis Treatment How UV Phototherapy works UV Phototherapy treatment works by exposing the skin to specific segments of UV light. UV phototherapy treatments are … Continue reading

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The Woods Light

Perhaps a little off topic. The Black Light or the Woods Light is a low energy ultraviolet emitter  usually at 365 nm. All kinds of DNA based materials fluoresce when illuminated by a UV source. In fact one of the primary uses … Continue reading

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UVA (PUVA) What and why?

UVA is the long wavelength portion of the UV Spectrum. The UV spectrum is defined as the wavelengths twixt 100 and 400 nm with UVA usually defined as the wavelengths between 315 nm (nano meter) and 400 nm as depicted … Continue reading

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