![Any idea what these weird numbers and letters on prescription sunglasses lenses. Just bought these prescription sunglasses and they have these 2 alphanumeric on each of the lenses (circled). Are these normal, Any idea what these weird numbers and letters on prescription sunglasses lenses. Just bought these prescription sunglasses and they have these 2 alphanumeric on each of the lenses (circled). Are these normal,](https://i.redd.it/axfs9he3p2c51.jpg)
Any idea what these weird numbers and letters on prescription sunglasses lenses. Just bought these prescription sunglasses and they have these 2 alphanumeric on each of the lenses (circled). Are these normal,
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Hand Drawn Vector Illustration Of Sun Glasses, With Text Goodbye Summer, Hello Autumn Written Inside The Lenses. Isolated Objects On White Background. Design Concept For Change Of Seasons. Royalty Free SVG, Cliparts,
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