Restore sharp distance and reading vision without discarding your trusted frames. Our custom glass bifocal re-lensing service utilizes optical-grade glass to deliver unmatched visual clarity and chemical resistance for everyday wear and workplace environments. Precision-ground in our domestic custom optical laboratory, every pair of lined glass bifocals is custom-crafted to your exact prescription specifications.
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  • Flat Top 28 Bifocal Glass Lens Replacement - Glass Lens Eyewear
    $145.00
    $145.00
    VS Eyewear

    Flat Top 28 Bifocal Glass Lens Replacement

  • Flat Top 35 Bifocal Glass Lens Replacement - Glass Lens Eyewear
    $205.00
    $205.00
    VS Eyewear

    Flat Top 35 Bifocal Glass Lens Replacement

More Information

Why Choose Genuine Optical Glass Bifocal Lenses?

While modern synthetic lenses offer light weight, genuine optical glass remains the gold standard for visual fidelity, surface hardness, and long-term durability. If you are tired of plastic bifocals that scratch easily, cloud over time, or suffer from peripheral distortion, glass replacement optics provide an unbeatable long-term solution.

Key Benefits of Glass Bifocal Optics:

  • Exceptional Scratch Resistance: Real glass features a hardened optical surface that naturally resists wiping friction, environmental dust, cleaning solvents, and daily wear far better than untreated plastic polymers.
  • Unmatched Visual Clarity: Glass boasts a high Abbe value, which drastically minimizes chromatic aberration (color fringing) along lens peripheries for crisp, distortion-free focus across both distance and reading segments.
  • Classic Lined FT-28 Segment Design: Featuring the industry-standard Flat Top 28 (FT-28) lined bifocal configuration, giving you a smooth, wide 28mm reading area for comfortable close-up work, reading, and benchwork.
  • Long-Term Economic Value: Because real glass resists surface degradation and scratching, your replacement lenses retain their optical purity for years, reducing the need for frequent lens replacements.

Custom Lens Options & Laboratory Precision

At VS Eyewear, we manage your lens replacement process from start to finish in our state-of-the-art optical laboratory. We accommodate complex single-vision combination prescriptions, astigmatism corrections, and non-standard bifocal segment heights:

  1. Custom Prescription Grinding: Fully customized distance sphere, cylinder, axis, and bifocal reading addition ($+0.75$ to $+3.50$ D and beyond).
  2. Anti-Reflective (AR) Coatings: Eliminate distracting overhead glare, digital screen reflections, and night-driving halo effects with permanently bonded anti-reflective treatments.
  3. Tinting & Photochromic Options: Available in clear optical glass, solid sunglass tints, or light-adaptive Photogray® and Photobrown® glass for seamless indoor-to-outdoor utility.

Frequently Asked Questions

Our standard glass bifocal replacement lenses utilize the Flat Top 28 (FT-28) design. This features a 28mm wide straight-top reading segment positioned in the lower portion of the lens, providing an optimal balance between clear distance vision and a wide reading field.

Yes! Our custom re-lensing service allows you to mail in your existing metal, monel, or acetate frames. Our certified opticians will cut, edge, polish, and precision-mount your new custom glass bifocal lenses directly into your frame.

Yes, genuine optical glass is naturally denser than synthetic plastic or polycarbonate materials, making glass lenses slightly heavier. However, when mounted in sturdy, well-balanced frames with soft adjustable nose pads, weight is distributed comfortably across the nose bridge.

Real optical glass possesses a high natural surface density and mineral hardness. Unlike plastic lenses that rely on thin topical hard coats, glass naturally resists abrasive wiping friction, shop dust, and everyday contact without scratching easily.

Yes. We offer authentic Photogray® and Photobrown® glass bifocal replacement lenses. These lenses contain light-reactive silver halide molecules permanently embedded throughout the glass matrix that automatically darken in direct outdoor UV light and clear up indoors.

We strongly recommend full-rim metal or acetate frames for glass bifocal replacement lenses. Drill-mount rimless or semi-rimless grooved frames leave glass lens edges exposed, increasing the risk of edge chipping or cracking upon impact.

Yes. An Anti-Reflective (AR) coating can be applied directly to glass bifocal lenses to significantly reduce annoying surface reflections, improve light transmission, and minimize eye strain under fluorescent lighting or during night driving.

If you send in your existing frame, our lab technicians can duplicate your previous bifocal segment height. Alternatively, you can provide a custom fitting measurement indicating where you prefer the top line of the reading segment to sit relative to your lower eyelid.

Rinse your glass lenses under lukewarm water to remove loose debris, then wipe clean using a mild lens spray and a clean microfiber cloth. Glass lenses tolerate isopropyl alcohol and standard lens cleaning solvents far better than plastic optics.

Our custom optical lab can craft glass bifocals across a wide spectrum of prescription powers, including high sphere, cylinder (astigmatism), and reading additions ranging from +0.75 D to +3.50 D or higher.