1903 LUCOTHERAPY 1ST EDITION - RARE- 1 OF 5 US COPIES

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1903 LUCOTHERAPY 1ST EDITION - RARE- 1 OF 5 US COPIES:
$332.50

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ROGERS, Corydon Eugene

\"LUCOTHERAPY; The Therapeutic Action of Light - A Practical Treatise Upon the Principal Methods of Employing Light Rays in the Treatment of All Germ Diseases\"

Seattle. TheMetropolitan Press Inc. 1903.First Edition.Octavo. 157(4) pp. Photographic portrait + 3 other photos depicting Roger\'s light apparatus. Bound in original lightblue cloth with silver title on top panel and spine. Previousownership name to titlepage datedJuly 1903.Minor cover wear and soiling but a very nice copy overall.

This is a trulyscarce work - only 4 other copies sourced by World Cat (Univ of Washington, Nat\'l Lib. of Medicine, Library of Congress, New York Academy of Medicine).

Dr. Roger\'s work on Lucotherapy (light therapy) is an important and comprehensive step forward in the study of this discipline which remains studied and debated to this day. Roger\'s mentioned in his preface that

\"...the literature of light therapy is very meagre, and the little contained in the records is so full of errors as to be practically valueless...\"

This is an important and seminal treatise on a non-traditional form of therapeutic treatment.

Collectors of various forms of medical history and homeopathic medicine literature will find this a worthy acquisition. class=MsoNormal style=\"MARGIN: 0in 0in 10pt; LINE-HEIGHT: normal; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto\">Light therapy or phototherapy consists of exposure to daylight or to specific wavelengths of light using lasers, LEDs, fluorescent lamps, dichroic lamps or very bright, full-spectrum light, for a prescribed amount of time and, in some cases, at a specific time of day. It has proven effective in treating Acne vulgaris, seasonal affective disorder, and is part of the standard treatment regimen for delayed sleep phase syndrome. It has recently been shown effective in non-seasonal depression. Proponents claim demonstrable benefits for skin conditions such as psoriasis.

Skin related

Acne vulgaris

Blue/red light treatment

Sunlight was long known to improve acne, and this was thought to be due to antibacterial and other effects of the ultraviolet spectrum; which cannot be used as a treatment due to the likelihood of skin damage in the long term. However, artificial UV didn\'t work as well as sunlight.

It was found that some of the visible violet light, present in sunlight, in the range 405-420 nm activates a porphyrin (Coproporphyrin III) in Propionibacterium acnes which damages and ultimately kills the bacteria by releasing singlet oxygen. A total of 320 J/cm2 of light within this range renders the bacteria non viable[1] . This part of the spectrum is just outside the ultraviolet and produces little if any tanning or sunburn.

Application of the light for 3 consecutive days has been shown to reduce the bacteria in the pores by 99.9%. Since there are few porphyrins naturally found in the skin, the treatment is believed safe except in patients with porphyria;[2] although eye protection is necessary due to light sensitive chemicals in the retina. The light is usually created by fluorescent lamps, bright LEDs or dichroic filament bulbs.

Treatment is often accompanied with application of red light which has been shown to activate ATP in human skin cells (essentially a photobiomodulation effect), and seems to improve response rates.

Overall improvements of on average 76% for 80% of patients occurs over 3 months; most studies show that it performs better than benzoyl peroxide and the treatment is far better tolerated. However, approximately 10% of users see no improvement.

Home use light boxes usually work well, are effective for people with long-term acne, are likely to be cheaper than dermatologist office light treatments, and can be repeated over several years for negligible cost, as opposed to once weekly or fortnightly. The light at a dermatology clinic may be of a higher intensity, however, possibly negating the disadvantage of infrequent use.

Psoriasis and eczema-

A feature of psoriasis is localised inflammation mediated by the immune system. UV radiation is known to suppress the immune system and reduce inflammatory responses. Light therapy for skin conditions like psoriasis or eczema use UVA (315-400nm waveband) or UVB (280-315nm waveband) light waves. UVA, combined with a drug taken orally, is known as PUVA treatment. Narrow Band UVB is the 310nm wave length and is given as a light therapy treatment rather than full spectrum UVB.

Tanning-

Tanning is caused by the effects of two different spectrums of ultraviolet radiation: UVA and UVB. Excessive ultraviolet exposure in doses used in tanning salons may be associated with carcinogenesis.

Wound healing and neuropathy-

Monochromatic infrared light emitted at a wavelength of 890 nm has been shown effective, through limited clinical studies, to help restore sensation and reduce pain in patients with neuropathy and to improve circulation of non-healing ulcers, thus increasing their healing rate. It is thought that the infrared light helps to release nitric oxide into the bloodstream, which aids in increasing local circulation and improving blood flow. People with diabetes have poor circulation due to their naturally low levels of nitric oxide and sedentary habits.

Photodynamic therapy-

Visible blue light is used with aminolevulinic acid for the treatment of Actinic keratosis.

This is not an FDA-approved treatment for acne vulgaris.

Mood and sleep related

Seasonal affective disorder-

While full sunlight is preferred for seasonal affective disorder, there are a number of products (such as light boxes) using very intense artificial illumination that are effective for seasonal affective disorder (SAD). These lamps, at a prescribed distance, provide 10,000 lux directed angularly at the user\'s eyes, without harmful ultraviolet radiation.

Newer research indicates that using a lower intensity of certain wavelengths of light, i.e., the \"blue\" wavelengths, may be at least as efficacious as using 10,000 lux,[4] at least until one approaches old age, when blue light is no longer more effective than red or green. The most effective wavelengths of blue light are given as ranging between 460 nm and 485 nm by most sources, with some sources specifying peak photopigment sensitivity at 479 nm (in mice).

Non-seasonal depression-

Only recently have clinical studies been conducted which specifically excluded all patients with any degree of seasonality.[6] Before these studies, there was suspicion that any depressed patients who benefitted from light treatment were really only having the SAD component of their depression treated. However, light therapy is now an established treatment for depression, regardless of seasonality.[7][8] One advantage it may have compared with drugs is that results may appear more quickly; antidepressant drugs typically take several weeks to reach full effectiveness. Combination of light and medicine has been proven to be more effective and faster than either alone.

Delayed sleep phase syndrome-

In the treatment of delayed sleep phase syndrome (DSPS), the timing of light exposure is critical. The light must be provided as soon after spontaneous awakening as possible to achieve the desired effect, as shown by the phase response curve for light in humans. Some users have reported success with lights that turn on shortly before awakening (dawn simulation).

Neonatal jaundice-

For more details on this topic, see Neonatal jaundice.

Light energy creates isomerization of the bilirubin and consequently transformation into compounds that the newborn can excrete via urine and stools.

Jet lag-

Light therapy is considered a viable treatment for jet lag[10]. Exposure to bright light during the appropriate time periods before, during and after air travel can reduce the symptoms of jet lag and accelerate the recalibration of the body clock. NASA has used timed doses of bright light to prepare astronauts for late night launches since 1991.

Parkinson\'s disease-

A recent study has shown that the therapy can ease Parkinson\'s disease by reducing patients\' tremors.

Please email any questions -

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