Editing Sunglasses (section)

=== Europe ===
The European standard EN 1836:2005 has four transmittance ratings: "0" for insufficient UV protection, "2" for sufficient UHV protection,{{clarify|is the term really 'sufficient'? what's the relation to the categories mentioned in the list? |date=December 2024}} "6" for good UHV protection and "7" for "full" UHVV protection, meaning that no more than 5% of the 380&nbsp;nm rays are transmitted. Products which fulfill the standard receive a [[CE mark]]. There is no European rating for transmittance protection for radiation of up to 400&nbsp;nm ("UV400"), as required in other countries (incl. the United States) and recommended by experts.<ref name="Huenig"/>  The current European standard, EN 1836:2005, was preceded by the older standards EN 166:1995 (Personal eye protection – Specifications), EN167: 1995 (Personal eye protection – Optical test methods), and EN168: 1995 (Personal eye protection – Non-optical test methods), which in 2002 were republished as a revised standard under the name of EN 1836:1997 (which included two amendments). In addition to filtering, the standard also lists requirements for minimum robustness, labeling, materials (non-toxic for skin contact and not combustible) and lack of protrusions (to avoid harm when wearing them).<ref name="esa">[http://www.esa-sunglasses.com/downloadarchiv/ARTICLE_ON_PPE_STANDARDS_SUNGLASSES_ETC_2-april26.04.doc ''no author'' (2004<!--according to end of document, which explains something "as of 2004"-->). Requirements of European Directives and Standards Relating to Sunglasses.] {{webarchive |url=https://web.archive.org/web/20120317023127/http://www.esa-sunglasses.com/downloadarchiv/ARTICLE_ON_PPE_STANDARDS_SUNGLASSES_ETC_2-april26.04.doc |date=March 17, 2012 }}. Retrieved 21 September 2009.</ref>  Categories for the European standard, which are required to be marked on the frame:<ref>{{cite web|url=http://www.i-sunglasses.com/Sunglasses-Lens-Tints-Help |title=Sunglasses Lens Tints Help |access-date=2016-02-15 |url-status=live |archive-url=https://web.archive.org/web/20160504013016/http://www.i-sunglasses.com/Sunglasses-Lens-Tints-Help |archive-date=2016-05-04 }}</ref><ref>{{cite web|url=http://www.shadestation.co.uk/lens-categories.html |title=An Explanation of Sunglasses Lens Categories |access-date=2016-02-15 |url-status=live |archive-url=https://web.archive.org/web/20151006094411/http://www.shadestation.co.uk/lens-categories.html |archive-date=2015-10-06 }}</ref>
* Category 0 – 80–100% transmission – for fashion, indoor use, or cloudy days
* Category 1 – 43–80% transmission – low sun exposure
* Category 2 – 18–43% transmission – medium sun exposure
* Category 3 – 8–18% transmission – strong brightness, light reflected of water or snow
* Category 4 – 3–8% transmission – intense sunshine for high mountains, glaciers; not for use when driving or on the road.