Double Segment Bifocals

Double Segment Prescription Bifocals is better known in the optical business as Double D bifocal glasses are a very special safety lens made for people who really need them. The bifocal segment on a lens looks like the capital letter ‘ D ‘ and there is one at the top and one at the bottom of these lenses.

 

Electricians, mechanics, plumbers and many other tradespeople often have to work in confined spaces where they need to see up close, above and below them without moving their heads. So with the segments at the top and bottom, they only need to glance up or down to get the full bifocal power.

When ordering Double D bifocal glasses you treat them the same way as a standard lined bifocal. You need the prescription, ADD power and pupil distance. The segments are a fixed distance of14 mm apart. So for the segment height, you only need to measure to the bottom eyelid while wearing the glasses. As with standard bifocals, you can also set to a standard of 3 mm below the center of the lens.

Showing all 10 results

  • DOUBLE SEGMENT SAFETY GLASSES RX-15011

    RX-15011 Double Segment Safety Glasses

    $45.00
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  • Double Segment Safety Glasses RX-16001

    RX-16001 Double Segment Safety Glasses

    $54.99
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  • Double Segment Safety Glasses RX-202

    RX-202 Double Segment Safety Glasses

    $45.00
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  • Double Segment Safety Glasses RX-206

    RX-206 Double Segment Safety Glasses

    $49.99
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  • Double Segment Safety Glasses RX-554

    RX-554 Double Segment Safety Glasses

    $25.00
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  • Double Segment Safety Glasses RX-F10

    RX-F10 Double Segment Safety Glasses

    $49.99
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  • Double Segment Safety Glasses RX-F126

    RX-F126 Double Segment Safety Glasses

    $55.00
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  • Double Segment Safety Glasses RX-J136

    RX-J136 Double Segment Safety Glasses

    $60.00
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  • Double Segment Safety Glasses RX-X25

    RX-X25 Double Segment Safety Glasses

    $40.00
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  • Double Segment Safety Glasses RX-X26

    RX-X26 Double Segment Safety Glasses

    $40.00
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