VOLK Volk G-4 Gonio Laser Lens
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VOLK Volk G-4 Gonio Laser Lens

SKU: VOLK-VG4 Category: Tags: , ,

The G-4 goniolaser lens features 4 precisely angled 64° mirrors to deliver a complete 360° view of the anterior chamber angle with slight rotation. The standard fluid design (flanged glass contact element) provides a stable platform during laser treatment of anterior segment. The NF (no fluid) design features a small 8mm radius contact surfaces that’s ideal for both static and dynamic gonioscopy while eliminating the need for viscous interface solutions such as methylcellulose.


Four NF models are available, including:

  • small hand held (25.5mm diameter),
  • large hand held (29mm diameter),
  • extended handle (3½” straight handle) or
  • angled handle (3½” 45° angled handle).


All four NF models share the same high quality imaging element. Choose the model that you are most comfortable using. Each reflecting surface incorporates a high efficiency vacuum deposited mirror coating, double over coated with silicone dioxide and catalyzed polyurethane polymer to provide the ultimate in protection.


Volk recommends the use of the goniolaser “Flanged” model for laser treatment. G4 gonio NF formerly known as the “Volk All Glass 4 Mirror Gonio Lens”.



  • 360° Field of View
  • .88x Magnification