"Never wear an inferior substitute such as regular sunglasses and never use any homemade filtering device," said Marc Booth, MD, an ophthalmologist at Franciscan Physician Network Coolspring Health Center. Looking at the sun for even a short time without wearing the right eye protection can damage your retina permanently and potentially cause blindness. These glasses reduce visible sunlight to safe and comfortable levels while also blocking solar UV and IR radiation. Such eyewear should meet a specific worldwide standard: ISO 12312-2. 21 solar eclipse will be a great spectacle to eyewitness, and viewing the eclipse without damaging your eyesight takes a simple step.įirst, take the time to look for eclipse glasses, which are special glasses with a solar filter to protect your retina when viewing an eclipse.
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