Glass lenses are supposed to be made from safety glass, which should break into "pebbles" rather than splinters. As a kid in the 1960's, I had glass lenses all the time, because plastic wasn't nearly as common, and glass was less expensive. --~--~---------~--~----~------------~-------~--~----~ Check us out at the oft-updated http://glassyeyes.blogspot.com!
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