What are solar eclipse glasses? A need-to-know guide ahead of today’s celestial event

Jump to contentThank you for registeringPlease refresh the page or navigate to another page on the site to be automatically logged inPlease refresh your browser to be logged inAllNewsSportCultureLifestyleThe UK is set to witness its most complete solar eclipse in 27 years later today.Ahead of the celestial event, health experts have issued guidance on how to watch the eclipse safely, as permanent damage may be done should precautions not be taken. Viewers have been advised to purchase or borrow a pair of special solar eclipse glasses, which are able to block out the sun’s harmful rays, and should bear the following safety certifications: ‘ISO 12312-2' or ‘ISO 12312-2:2015’. Royal Museums Greenwich said: “Be careful if you’re planning on reusing an old pair of eclipse glasses: these may not be safe, especially if the lenses are creased or scratched, as their filtering properties may have been compromised.”Meanwhile, spectators have been warned against wearing normal sunglasses, no matter how dark they may be, as they do not provide adequate protection, according to the UKHSA.In fullHow to safely watch the UK’s most complete solar eclipse in 27 yearsMore bulletinsThank you for registeringPlease refresh the page or navigate to another page on the site to be automatically logged inPlease refresh your browser to be logged in

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