Ultraviolet damage to the eye revisited: eye-sun protection factor (E-SPF®), a new ultraviolet protection label for eyewear
Francine Behar-Cohen,1 Gilles Baillet,2 Tito de Ayguavives,2 Paula Ortega Garcia,3 Jean Krutmann,4 Pablo Peña-García,3,5 Charlotte Reme,6 James S Wolffsohn7 1French Institute of Health and Medical Research, Team 17, Centre de Recherche des Cordeliers, France; 2Research and Dev...
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Dove Medical Press
2013
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oai:doaj.org-article:95e00a3d280b4d0686ed4e9f6031a6492021-12-02T02:54:10ZUltraviolet damage to the eye revisited: eye-sun protection factor (E-SPF®), a new ultraviolet protection label for eyewear1177-5483https://doaj.org/article/95e00a3d280b4d0686ed4e9f6031a6492013-12-01T00:00:00Zhttp://www.dovepress.com/ultraviolet-damage-to-the-eye-revisited-eye-sun-protection-factor-e-sp-a15339https://doaj.org/toc/1177-5483 Francine Behar-Cohen,1 Gilles Baillet,2 Tito de Ayguavives,2 Paula Ortega Garcia,3 Jean Krutmann,4 Pablo Peña-García,3,5 Charlotte Reme,6 James S Wolffsohn7 1French Institute of Health and Medical Research, Team 17, Centre de Recherche des Cordeliers, France; 2Research and Development Center, Essilor International, Saint Maur des Fossés, France; 3Department of Research, Fundacion Jorge Alio, Alicante, Spain; 4IUF Leibniz Research Institute for Environmental Medicine, Düsseldorf, Germany; 5Division of Ophthalmology, University Miguel Hernández, Alicante, Spain; 6Laboratory of Retinal Cell Biology, Department of Ophthalmology, University of Zurich, Switzerland; 7Life and Health Sciences, Aston University, Aston Triangle, Birmingham, UK Abstract: Ultraviolet (UV) radiation potentially damages the skin, the immune system, and structures of the eye. A useful UV sun protection for the skin has been established. Since a remarkable body of evidence shows an association between UV radiation and damage to structures of the eye, eye protection is important, but a reliable and practical tool to assess and compare the UV-protective properties of lenses has been lacking. Among the general lay public, misconceptions on eye-sun protection have been identified. For example, sun protection is mainly ascribed to sunglasses, but less so to clear lenses. Skin malignancies in the periorbital region are frequent, but usual topical skin protection does not include the lids. Recent research utilized exact dosimetry and demonstrated relevant differences in UV burden to the eye and skin at a given ambient irradiation. Chronic UV effects on the cornea and lens are cumulative, so effective UV protection of the eyes is important for all age groups and should be used systematically. Protection of children’s eyes is especially important, because UV transmittance is higher at a very young age, allowing higher levels of UV radiation to reach the crystalline lens and even the retina. Sunglasses as well as clear lenses (plano and prescription) effectively reduce transmittance of UV radiation. However, an important share of the UV burden to the eye is explained by back reflection of radiation from lenses to the eye. UV radiation incident from an angle of 135°–150° behind a lens wearer is reflected from the back side of lenses. The usual antireflective coatings considerably increase reflection of UV radiation. To provide reliable labeling of the protective potential of lenses, an eye-sun protection factor (E-SPF®) has been developed. It integrates UV transmission as well as UV reflectance of lenses. The E-SPF® compares well with established skin-sun protection factors and provides clear messages to eye health care providers and to lay consumers. Keywords: back reflection, transmission, irradiation, solar irradiance, aging, risk reduction, preventionBehar-Cohen FBaillet Gde Ayguavives TOrtega García PKrutmann JPeña-García PReme CWolffsohn JSDove Medical PressarticleOphthalmologyRE1-994ENClinical Ophthalmology, Vol 2014, Iss default, Pp 87-104 (2013) |
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Ophthalmology RE1-994 |
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Ophthalmology RE1-994 Behar-Cohen F Baillet G de Ayguavives T Ortega García P Krutmann J Peña-García P Reme C Wolffsohn JS Ultraviolet damage to the eye revisited: eye-sun protection factor (E-SPF®), a new ultraviolet protection label for eyewear |
| description |
Francine Behar-Cohen,1 Gilles Baillet,2 Tito de Ayguavives,2 Paula Ortega Garcia,3 Jean Krutmann,4 Pablo Peña-García,3,5 Charlotte Reme,6 James S Wolffsohn7 1French Institute of Health and Medical Research, Team 17, Centre de Recherche des Cordeliers, France; 2Research and Development Center, Essilor International, Saint Maur des Fossés, France; 3Department of Research, Fundacion Jorge Alio, Alicante, Spain; 4IUF Leibniz Research Institute for Environmental Medicine, Düsseldorf, Germany; 5Division of Ophthalmology, University Miguel Hernández, Alicante, Spain; 6Laboratory of Retinal Cell Biology, Department of Ophthalmology, University of Zurich, Switzerland; 7Life and Health Sciences, Aston University, Aston Triangle, Birmingham, UK Abstract: Ultraviolet (UV) radiation potentially damages the skin, the immune system, and structures of the eye. A useful UV sun protection for the skin has been established. Since a remarkable body of evidence shows an association between UV radiation and damage to structures of the eye, eye protection is important, but a reliable and practical tool to assess and compare the UV-protective properties of lenses has been lacking. Among the general lay public, misconceptions on eye-sun protection have been identified. For example, sun protection is mainly ascribed to sunglasses, but less so to clear lenses. Skin malignancies in the periorbital region are frequent, but usual topical skin protection does not include the lids. Recent research utilized exact dosimetry and demonstrated relevant differences in UV burden to the eye and skin at a given ambient irradiation. Chronic UV effects on the cornea and lens are cumulative, so effective UV protection of the eyes is important for all age groups and should be used systematically. Protection of children’s eyes is especially important, because UV transmittance is higher at a very young age, allowing higher levels of UV radiation to reach the crystalline lens and even the retina. Sunglasses as well as clear lenses (plano and prescription) effectively reduce transmittance of UV radiation. However, an important share of the UV burden to the eye is explained by back reflection of radiation from lenses to the eye. UV radiation incident from an angle of 135°–150° behind a lens wearer is reflected from the back side of lenses. The usual antireflective coatings considerably increase reflection of UV radiation. To provide reliable labeling of the protective potential of lenses, an eye-sun protection factor (E-SPF®) has been developed. It integrates UV transmission as well as UV reflectance of lenses. The E-SPF® compares well with established skin-sun protection factors and provides clear messages to eye health care providers and to lay consumers. Keywords: back reflection, transmission, irradiation, solar irradiance, aging, risk reduction, prevention |
| format |
article |
| author |
Behar-Cohen F Baillet G de Ayguavives T Ortega García P Krutmann J Peña-García P Reme C Wolffsohn JS |
| author_facet |
Behar-Cohen F Baillet G de Ayguavives T Ortega García P Krutmann J Peña-García P Reme C Wolffsohn JS |
| author_sort |
Behar-Cohen F |
| title |
Ultraviolet damage to the eye revisited: eye-sun protection factor (E-SPF®), a new ultraviolet protection label for eyewear |
| title_short |
Ultraviolet damage to the eye revisited: eye-sun protection factor (E-SPF®), a new ultraviolet protection label for eyewear |
| title_full |
Ultraviolet damage to the eye revisited: eye-sun protection factor (E-SPF®), a new ultraviolet protection label for eyewear |
| title_fullStr |
Ultraviolet damage to the eye revisited: eye-sun protection factor (E-SPF®), a new ultraviolet protection label for eyewear |
| title_full_unstemmed |
Ultraviolet damage to the eye revisited: eye-sun protection factor (E-SPF®), a new ultraviolet protection label for eyewear |
| title_sort |
ultraviolet damage to the eye revisited: eye-sun protection factor (e-spf®), a new ultraviolet protection label for eyewear |
| publisher |
Dove Medical Press |
| publishDate |
2013 |
| url |
https://doaj.org/article/95e00a3d280b4d0686ed4e9f6031a649 |
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