As the total solar eclipse approaches, demand for safe viewing glasses has spiked and experts are warning the public to be wary of dangerous knockoffs.
Glasses that are safe for directly viewing the sun must meet the International Organization for Standardizations standard, and will indicate they are ISO 12312-2 compliant. But recently the American Astronomical Society issued a warning indicating such a label is no longer adequate to verify glasses safety, citing alarming reports of potentially unsafe eclipse viewers flooding the market.
It now appears that some companies are printing the ISO logo and certification label on fake eclipse glasses and handheld solar viewers made with materials that do not block enough of the suns ultraviolet, visible, and infrared radiation to make them truly safe, the organization warned. Some sellers are even displaying fake test results on their websites to support their bogus claim of compliance with the ISO safety standard.
On Amazon.com, for instance, the run on eclipse glasses has left many models out of stock directly from the online retailer, but they continue to be available through third-party sellers. While the astronomical society says Amazon seems to be making ...