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PRODUCT DIMENSIONS - Lens Width ... Live on the sporty side with The Foster Bifocal Safety Glasses. This trendy, stylish and fashionable semi-rimless half frame sun reader has tinted lenses ...

By Bob Beacham Published Jan 16, 2024 4:00 PM EST We may earn revenue from the products available on ... a quick job without reaching for their safety glasses. US Bureau of Labour statistics ...

This includes a single-vision lens with one power or strength over the entire lens, or a bifocal ... 44.8 percent of 154 glasses ordered online had incorrect prescriptions or safety issues.

Bifocal, trifocal or varifocal lenses already allow the wearer to use one pair of glasses to see at different distances but they are not suitable for everyone. BBC Click’s Emily Bates reports.