Volk 4-Mirror Glass Gonio Lens

Brand: Volk


The Volk G-4 4-Mirror Glass Gonio Lens is a standard gonio lens for static and dynamic gonioscopy that features four precisely angled mirrors providing a full 360° view of the anterior chamber.

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Maximum character count is: 12
Maximum character count is: 14

4-Mirror, All-Glass Design

  • 4-mirror design allows for comprehensive examination and treatment of the trabecular meshwork with minimal lens rotation
  • 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 enables high detail examination of the angle structures 

Comes with a complimentary case. Please allow 6 weeks for delivery for items with custom engravings.



  • Four precisely angled mirrors provide full 360° views of the anterior chamber.
  • All glass design provides superior clarity and durability compared to acrylic lenses.
  • Available in Flanged or No Flange (nf) contact options.
  • No Flange (nf) contact design does not require interface solution allowing quick eye contact, reducing patient discomfort and facilitating the examination.
  • No Flange version not rated for use with ophthalmic laser treatments.
  • Available in large or small ring design to suit dexterity & personal preference.
  • Available separately on a 2-position handle to suit personal preferences.


Mirror Angles Image Magnification Laser Spot Size Contact Diameter
4 x 64° 1.0x 1.0x

Flange: 15 mm

No Flange: 8.4 mm