透明镜片对眼部紫外线的防护效果。
Efficiency of ocular UV protection by clear lenses.
作者信息
Rifai Katharina, Hornauer Matthias, Buechinger Ramona, Schoen Roland, Barraza-Bernal Maria, Habtegiorgis Selam, Glasenapp Carsten, Wahl Siegfried, Mappes Timo
机构信息
Institute for Ophthalmic Research, University of Tuebingen, Tuebingen, Germany.
Carl Zeiss Vision International GmbH, Aalen, Germany.
出版信息
Biomed Opt Express. 2018 Mar 27;9(4):1948-1963. doi: 10.1364/BOE.9.001948. eCollection 2018 Apr 1.
Ocular UV doses accumulate all-day, not only during periods of direct sun exposure. The UV protection efficiency of three clear lenses was evaluated experimentally, validated by simulation, and compared to non-UV protection: a first spectacle lens with a tailored UV absorber, a second spectacle lens, minimizing UV back reflections, as well as a third spectacle lens, combining both. A tailored UV-absorber efficiently reduced overall UV irradiance to 7 %, whereas reduction of back-reflections still left UV irradiance at 42 %. Thus, clear lenses with a tailored UV absorber efficiently protect the eye from UV, supplementing sun glasses wear to an all-day protection scenario.
眼部紫外线剂量是全天累积的，不仅在直接暴露于阳光下的时间段。通过实验评估了三种透明镜片的紫外线防护效率，经模拟验证，并与无紫外线防护的情况进行了比较：第一种是带有定制紫外线吸收剂的眼镜镜片，第二种是将紫外线后向反射降至最低的眼镜镜片，第三种是兼具两者功能的眼镜镜片。定制的紫外线吸收剂可有效将总体紫外线辐照度降低至7%，而后向反射的减少仍使紫外线辐照度保持在42%。因此，带有定制紫外线吸收剂的透明镜片可有效保护眼睛免受紫外线伤害，为全天防护方案补充了太阳镜的佩戴。
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