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Acrylic lens, plastic frame without spring hinges
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Frame width about 5 11/16 inches (145mm)
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Lens width about 2 1/8 inches (56mm)
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Lens height about 1 3/4 inches (45mm)
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Bridge (DBL) about 3/8 inches (10mm)
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Temple length about 5 5/16 inches (135mm)
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EYEKEEPER BIFOCAL SUNGLASSES - A crescent shape on the bottom part of the lenses have magnification, which is for reading and close-up work. And the other parts of the lenses have no magnification, which is for distance viewing.