The Danger of Chromotherapy |

Shopping Cart -

Your cart is currently empty.
Upgrade to today
for only an extra Cxx.xx

You get:

plus This issue of xxxxxxxxxxx.
plus Instant access to the latest issue of 290+ of our top selling titles.
plus Unlimited access to 25000+ back issues
plus No contract or commitment. If you decide that PocketmagsPlus is not for you, you can cancel your monthly subscription online at any time. Auto-renews at €10,99 per month, unless cancelled.
Upgrade Now for €10,99 Learn more
This website use cookies and similar technologies to improve the site and to provide customised content and advertising. By using this site, you agree to this use. To learn more, including how to change your cookie settings, please view our Cookie Policy
Pocketmags Digital Magazines
Pocketmags Digital Magazines
   You are currently viewing the Italy version of the site.
Would you like to switch to your local site?
Leggi ovunque Read anywhere
Modalità di pagamento Pocketmags Payment Types
Trusted site
A Pocketmags si ottiene
Fatturazione sicura
Ultime offerte
Web & App Reader
Loyalty Points

The Danger of Chromotherapy

Despite the lack of scientific evidence for its effectiveness and its use of esoteric theories to describe its mechanisms of action, chromotherapy has become popular. But is it safe?

C-state lighting technologies, light-emitting diodes (LEDs) will probably become the most used light sources in chromotherapy. Some LED-based chromotherapy lamps are already available on the market. The main interest in LED lamps—in addition to their energy efficiency and long lifetime—is that they can provide various colors directly depending on the nature of the semiconductor inside without using any filter. Is the use of LEDs in chromotherapy without any risk?

Blue Light Hazard

In the last quarter of the twentieth century, the work of Ham, Mueller, and Sliney (Sliney et al. 1976; Ham and Mueller 1989) opened the way to the description of photochemical mechanisms of lesions on the retina during exposure to a blue light source. To prevent such damages, the International Commission on Non-Ionizing Radiation Protection (IC NIRP), in its “Guidelines on Limits of Exposure to Inco herent Visible and Infrared Radiation” (1989), defines a blue light action spectrum Bλ(λ) and exposure limits (expressed in radiance) that are used in IEC 62471, which is the stan dard when dealing with exposure to sources of broad spec trum incoherent optical radiations. The application of this standard is particularly justified for evaluating blue LED and white LED (also called White Phosphor Coated LED, or WPCLED, and made of a blue LED coated with phosphor), which combine high radiance and a blue-enhanced spectrum, as can be seen on Figure 1. In 2010, the French Agency for Food, Environmental and Occupational Health & Safety (ANSES) published a collective expert report making an up date on the blue light risk associated with the use of commer cially available blue and white LEDs (Rapport de l’ANSES 2010). The results showed that it was possible to buy white or blue LEDs lamps reaching the medium risk group (RG2), potentially harmful to the retina of the eye if not diverted in 0.25 seconds.

Purchase options below
Find the complete article and many more in this issue of Skeptical Inquirer - July August 2017
If you own the issue, Login to read the full article now.
Single Issue - July August 2017
Or 349 points
Annual Digital Subscription
Only € 3,16 per issue
Or 1899 points

View Issues

About Skeptical Inquirer

Fire-Breathing Dinosaurs? Physics, Fossils, and Functional Morphology vs. Pseudoscience JonBenet Murder Mystery Solved? (Not by Psychics) An Investigation of the Missing411 Conspiracy