ISO 12609-1-2013 pdf free.Eyewear for protection against intense light sources used on humans and animals for cosmetic and medical applications一 Part 1: Specification for products.
This part of ISO 12609 specifies performance and labelling of eye protectors used for ILS equipment used on humans and animals for cosmetic and medical applications against excessive exposure to optical radiation in the spectral range 250 nm to 3 000 nm, with the exception of laser radiation.
This part of ISO 12609 provides a specification for an eye protector expected to cope with the majority of applications. A more rigorous procedure for determining appropriate eye protection against spectral outputs from 1LS equipment is described in the annexes.
This part of ISO 12609 is not applicable to eye protectors for use with tanning equipment, ophthalmic instruments or other medical/cosmetic devices, the safety issues of which are addressed through other European and International standards.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies
ISO 12311:2013, Personal protective equipment — Test methods for sunglasses and related equipment
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1 blue light hazard
potential for a photochemically induced retinal injury resulting from optical radiation exposure in the wavelength range 300 nm to 700 nm
3.2 filter protection factor
FPF factor by which the filter attenuates the weighted ocular exposure
Note ito entry: Mathematical expressions for FPF are given in Annex A and example calculations in Annex B and Annex C.
3.3 infra-red lens hazard
potential for a thermal injury to cornea and lens of the eye resulting from optical radiation exposure in the wavelength range 780 nm to 3 000 nm
4 Transmittance
4.1 General
The spectral transmittance ot the ILS eye protector at the wavelengths between 5t) nm and 3 (11)0 nm shall be specified.
The spectral transmittance r(A) of the eye protector material shall be determined for normal incidence. The wavelength shall be determined at not more than 10 nm intervals with the central wavelength known to within ± 2 nm from 250 to 800 nm and within ± 4 nm above 800 nm. The bandwidth of the detector (full width half maximum) shall not exceed 5 nm.
Filters with angular dependent transmittance shall be measured at angles of incidence between at least 00 and 300.
In addition, ILS eyewear may be designated F- or B- scale numbers according to 42 and/or 4.
4.2 F-classification
ILS eyewear may be designated F-scale number using the F-classification scheme described in Table 1.
NOTE The F-numbers in Table I are related to the shade numbers with some relaxation in the infrared region.
Luminous transmittance shall be determined according to 4A.ISO 12609-1 pdf free download.
Tags: Specification for products
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