Description
- UV Protected Lenses BS EN ISO 12312-1:2013
- Filter Category 3 (General Purpose Hazy & Bright Days)
- Polycarbonate Frame
- Spring Hinges
- Moulded Nosepiece
- Shatterproof and scratch-resistant acrylic lenses
- Available in +1.50 to +3.50 strengths in .50 increments
- Available in Black and Brown
- Tested to BS EN 14139:2010
Butterfly Bifocal Sunglasses with a fully sprung hinge mechanism, thesebifocal sunglasses will make your life so much easier. Graduated lenses filter to a small bifocal section at the bottom of the non magnified lens to give your eyesight a boost just when it needs it.
Filter Cat 3 lenses are the most common category to be found in sunglasses, for general use they provide good protection from visible light and from UV rays. This lens will have a tint which allows through less light than category 1 but more light than category 3
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