Volk 4-Mirror High Mag Lens

Brand: Volk


The Volk G-4 High Mag Gonio lens features a 4-mirror, all-glass design plus 50% more magnification than the classic G-4 lens.

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4-Mirror, All-Glass Design

  • 50% more image magnification than our classic G-4 Gonio enables more detailed viewing of the trabecular meshwork
  • Available with a
    • large ring (28.5 mm)
    • a small ring (25.5 mm)
    • 2-position handle (right/left handed)
  • No flange version is ideal for dynamic and indentation gonioscopy
  • Flanged version provides stability for laser trabeculoplasty
  • 4 mirror, Sussman style lens with unbeatable Volk optics
  • Also available in a handled (Posner-style) model
Mirror Angles Image Magnification Laser Spot Size Contact Diameter
4 x 64° 1.50x 0.67x

Flange: 15 mm

No Flange: 8.4 mm