BS 8497-1:2008
$102.76
Eyewear for protection against intense light sources used on humans and animals for cosmetic and medical applications – Specification for products
| Published By | Publication Date | Number of Pages |
| BSI | 2008 | 20 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 3 | Contents 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Spectral transmittance 2 5 Luminous transmittance 2 6 Colour of the protective filters 3 7 Material and surface defects 3 8 Active filters 4 9 Construction of eye protectors 4 10 Labelling 4 11 Information to be supplied by the manufacturer 5 Annexes Annex A (informative) Filter protection factor (FPF) 6 Annex B (informative) Calculation of FPF for protective eyewear – Example 1 7 Annex C (informative) Calculation of FPF for protective eyewear – Example 2 9 Annex D (informative) Spectral hazard weighting functions 12 Bibliography 15 List of figures Figure B.1 – Spectral irradiance of ILS device A with different filtering attachments 7 Figure B.2 – Transmittance of eyewear protective filters 1, 2, 3 and 4 8 Figure C.1 – Spectral irradiance of ILS device B with interchangeable lamps 1, 2 and 3 9 Figure C.2 – Spectral transmittance of eyewear protective filters 5, 6 and 7 10 List of tables Table B.1 – FPF of filters 1, 2 3 and 4 and different filtering attachments of ILS device A 9 Table C.1 – FPF of filters 5, 6 and 7 and interchangeable lamps 1, 2 and 3 of ILS device B 11 Table D.1 – Ultra-violet hazard weighting function S(l) 12 Table D.2 – Blue light hazard B(l) and retinal thermal hazard R(l) weighting functions 13 |
| 4 | Foreword |
| 5 | Introduction 1 Scope 2 Normative references 3 Terms and definitions 3.1 blue light hazard 3.2 filter protection factor (FPF) 3.3 infra-red eye lens hazard 3.4 intense light source (ILS) |
| 6 | 3.5 retinal thermal hazard 3.6 ultra-violet hazard 4 Spectral transmittance 5 Luminous transmittance |
| 7 | 6 Colour of the protective filters 7 Material and surface defects |
| 8 | 8 Active filters 9 Construction of eye protectors 10 Labelling a) model number; b) whether it is intended for the ILS patient/client only; c) manufacturer’s identification. |
| 9 | 11 Information to be supplied by the manufacturer a) a clear statement of the model number of the eye protection; b) a reproduction of the labelling in accordance with Clause 10 and an explanation of its meaning; c) spectral transmittance of the filters in tabular or graphic form at 2 nm intervals; d) for eye protectors intended for use by an ILS operator, luminous transmittance in accordance with Clause 5; e) for eye protectors intended for use by an ILS operator, the CIE colour co-ordinates (x, y) of the protective filters in accordance with Clause 6, with optional presentation on a CIE chromaticity chart; f) for active filters, maximum time to achieve specified attenuation, in accordance with Clause 8; g) for active filters powered by electrical mains or batteries, specification of power settings and power tolerances; h) instructions for use, care, storage, cleaning and disinfection of the eye protector; i) instructions for inspection and guidance on when the eye protector should be replaced; j) the name and address of the manufacturer or supplier of the eye protector; k) certification mark, if applicable. |
| 10 | Annex A (informative) Annex A (informative) Filter protection factor (FPF) |
| 11 | a) calculate the weighted radiance using spectral irradiance of ILS equipment provided by the ILS equipment manufacturer (or measure actual spectral irradiance, if data is not available); b) determine the ELVs for exposure duration and type of hazard; c) compare measured values with the ELVs. Annex B (informative) Calculation of FPF for protective eyewear – Example 1 Figure B.1 Spectral irradiance of ILS device A with different filtering attachments |
| 12 | Figure B.2 Transmittance of eyewear protective filters 1, 2, 3 and 4 |
| 13 | Table B.1 FPF of filters 1, 2 3 and 4 and different filtering attachments of ILS device A Annex C (informative) Calculation of FPF for protective eyewear – Example 2 Figure C.1 Spectral irradiance of ILS device B with interchangeable lamps 1, 2 and 3 |
| 14 | Figure C.2 Spectral transmittance of eyewear protective filters 5, 6 and 7 |
| 15 | Table C.1 FPF of filters 5, 6 and 7 and interchangeable lamps 1, 2 and 3 of ILS device B |
| 16 | Annex D (informative) Spectral hazard weighting functions Table D.1 Ultra-violet hazard weighting function S(l) |
| 17 | Table D.2 Blue light hazard B(l) and retinal thermal hazard R(l) weighting functions |
| 19 | Bibliography |
