Fake eclipse glasses are hitting the market. Here's how to tell if you have a pair

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How to spot fake eclipse glasses.

, occurring across Mexico, the United States and Canada on April 8, draws near, experts are reminding spectators to grab a pair of eclipse glasses to view the celestial event safely - and to make sure they aren't fake.

The only time it's safe to view the sun without eye protection is during the totality of a total solar eclipse, or the brief period when the moon completely blocks the light of the sun, according to NASA. "Until recently, the only counterfeit products we knew of were cardboard-frame eclipse glasses made by an unidentified factory in China but printed with 'Mfg. by: American Paper Optics' on them," the AAS shared in a news release. "APO is one of the major U.S. manufacturers of safe solar viewers and prints its name and address on its eclipse glasses, whereas the Chinese copycat products have APO's name but not its address.

"We now recommend that if you want to buy solar viewers online, buy only from sites you reach by clicking on the links from our list, or from a seller whose identity you can verify and whose name appears on our list," according to the AAS. "We recommend not buying eclipse glasses from random sellers in online marketplaces, even if they claim to get their products from a supplier on our list or to be approved by the AAS or NASA. The U.S.

On the day of the eclipse, stand still and cover your eyes with the glasses or solar viewer before looking up. And never remove the glasses while looking at the sun. For those who wear eyeglasses, wear eclipse glasses on top of them or hold up a handheld viewer in front of them. It's a bit like the effect that occurs when we see a camera flash go off, which can distort our vision for a few minutes before it goes away. But the intensity of solar retinopathy causes permanent damage that won't be immediately apparent. Overnight, the cells can die, and they won't be replaced. There is no treatment for solar retinopathy. It can improve or worsen, but it is a permanent condition.

 

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