Indirect Gonioscopes

CompanyVolk Optical, Inc.Volk Optical, Inc.Volk Optical, Inc.Volk Optical, Inc.Volk Optical, Inc.
ItemHigh Mag 4 Mirror Gonio LensG-1 One-Mirror Glass Trabeculum LensG-3 Three-Mirror Glass Gonio Fundus LensG-4 Four-Mirror Glass Gonio LensVolk SLT Lens
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DescriptionThis 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

The Volk G-1 trabeculum provides the highest magnification of ANY gonioscopy lens in existence! Perfect for viewing and treating the trabecular meshwork. One 62° mirror presents a good view of the anterior chamber angle while the central portion ofVolk's G-3 goniofundus lens incorporate 3 mirrors angled at 76°, 66° and 60°. The G-3 is ideal for anterior chamber as well as central and peripheral fundus viewing and treatment. The retinal viewing mirrors are accurately angled and spaced 120° 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 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 FDAUS FDAInquire
Product NumberVG4HMVG1VG3VG4VSLT
Image Magnification1.5x1.5xG-3 Gonio: 1.06x
G-3 Gonio NF: 1.36x
G-3 Gonio MINI: 1.0x
1.0x1.0x
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Contact diameter8.4mmG-1 Trabeculum: 15mm
G-1 Trabeculum NF: 8.4mm
G-3 Gonio: 15mm
G-3 Gonio NF: 11.4mm
G-3 Gonio MINI: 9.6mm
15mm15mm
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Laser Spot0.67x.67xG-3 Gonio: .94x
G-3 Gonio NF: .97x
G-3 Gonio MINI: 1.0x
1.0xInquire
Mirror Angles4 x 64°62°60°/66°/76°4x 64°63°
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