Indirect Gonioscopes

CompanyVolk Optical, Inc.Volk Optical, Inc.Volk Optical, Inc.Volk Optical, Inc.
ItemG-4 Four-Mirror Glass Gonio LensG-2 Two-Mirror Glass TrabeculumHigh Mag 4 Mirror Gonio LensVolk SLT Lens
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DescriptionThe 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 For those who prefer the versatility that a second mirror adds, then you may want to consider the Volk g-2 trabeculum. It features the same 1.5x magnification as the G-1 but offers two opposing mirrors angled at 60° and 64° respectively.

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This increased magnification all glass (1.5x) Gonio lens will enable visualization of fine details with more ease.

The 4 mirror lens is the industry preferred standard lens for static and dynamic gonioscopy and features :

  • Crispest, clearest

Designed specifically for selective laser trabeculoplasty, the Volk SLT lens delivers the highest resolution imaging of the angle for examination and laser treatment. The lens has a single reflecting surface which is the preferred standard for SLT
ApprovalUS FDAUS FDAUS FDAInquire
Product NumberVG4VG2VG4HMVSLT
Image Magnification1.0x1.5x1.5x1.0x
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Contact diameter15mmG-2 Trabeculum: 15mm
G-2 Trabeculum NF: 8.4mm
8.4mm15mm
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Laser Spot1.0x.67x0.67xInquire
Mirror Angles4x 64°60°/64°4 x 64°63°
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