Are Led Bulbs Bad for Your Health

We have tried to break down for you the 310-page report of the ANSES (National Agency for safety of food, the environment and work) in order to understand what information he had to withdraw to give you a more succinct and no doubt reassuring information. This personal analysis does in no way cause the work of everyone who made this report.

Are Led Bulbs Bad for Your Health

The ANSES report describes 2 main risks in its report.

As always, the media quickly seized folder by announcing bluntly and with a minimum of misunderstood information of the general public that the LEDs were dangerous which to had an immediate impact among the population and many people questioned now mainly the harmfulness of blue in lighting!

That we are reassured, the recognized harmfulness depends on the rate of exposure, duration of exposure and the power of lighting found great difficulty in the case of a led bulb used in normal conditions of use.

As a reminder, the blue is an essential component of the light spectrum of daylight as shown in this image from the report of the ANSES.

Source: Image from the liens web report of ANSES page 91.

Therefore if this blue color was also dangerous then we should all close your eyes immediately. Do not do this, you might not finish reading our article.

Therefore, read between the lines, and especially to read the full report to understand its content and thus measure the risks associated with the use of LEDs and this predominance of the color blue in the cold white lighting.

A cool white or blue lighting can be harmful to a part of the population, but to relatively high rates of exposure.

We learn, for example, page 170 of the report that a 15w led luminaire consisting of 6 led power 2.5w leads to a risk 0 while a lamp of 3w leads to a risk 1. So the risk is difficult to quantify by Mr everyone so the calculation is complex and many settings.

We can’t so in no case do a generality and say that all leds are dangerous because they are not all gold that is this succinct information relayed by a large number of sites which destabilizes the public.

For example, a Night light for children placed on a low wall jack out of reach of the field of view of the child, and fitted with a small blue low power led just capable of lighting the pilot light and its immediate environment can in no case lead to injury to a child because this light is almost isotropic (which has the same physical property in all directions) It is not focused, and the amount of light received from a distance on the lens of the child is very small. If it was in a measure, the natural light of the Sun would produce a quantity of blue light is more important than that of a simple small led. Must therefore put the information into context and not to broadcast a raw information that blue light is harmful to health. What of all blue LEDs fitted more and more lights of our household, hi-fi and computer devices and which sometimes focus much more luminous flux gold no action has been taken by manufacturers, and I must admit that this blue color is just more and more accepted by the public.

The report stated: the strong blue component of the emission of the LED spectrum puts them at risk of acute macular injury exposure to strong luminance. The report does not say that blue light is dangerous, he says, way complex certe, the demonstrated potential of possible danger in some cases.                                                   We speak so a direct exposure in the face of a high-power light source and the recommendation of the future IEC/TR 62471-2 standard will specify “do not look at the source in normal use. May be harmful to the eyes.” and not “strictly forbidden for sale product”.

The cold white light or blue color is not directly so questioned of the fact of use led based. The blue and white lights cold exist for many years, is direct exposure in the face of a strong light source, which can induce lesions eye on a part of the population, an isotropic exhibition very moderate to a blue light or cool white has therefore no harmful impact very dangerous to our health.

We learn for example in this report on page 175 of the report that the scialytiques type lighting systems (white cold, uniform and without shadow) installed in operating rooms and dental chairs may reach 150,000 Lux powers while the emitted light is cold white type and so blue.

Led lighting is not the only one who can present a risk, this threat is therefore not related only to led lighting.

It is above all what this article suggests.

The study is of more on leds of 1w power in general and on fixtures to 3w led, 10w and 15w. This study to thus demonstrated an assemblage of led within a luminaire trained less risk than a bare unit led, reason why we think a led bulb used in normal conditions caused little or no damage associated with its use.

Naturally set led lighting in direct alignment with its beam at least 20 cm contains risks that we cannot deny but would you expose yourself to a fun 500w halogen pencil?

Common sense is so enforcement and led lighting if it is properly used has no more risk than a traditional lighting at the level of its glare rate otherwise what about street lights on foot equipped with halogen 300w or 500w pencils.

The report also denounces that there is no performance standards on the LED modules and LED luminaires since standards for LED lamps are in the planning stage or before the project. Standard (NF EN 62471 of security biological photo) is so innadaptee to led lighting and it will therefore be European harmonization on the subject before have reliable and mandatory recommendations.

A few reminders to better understand this report.

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