Indirect Gonioscopes

CompanyVolk Optical, Inc.Volk Optical, Inc.Volk Optical, Inc.Volk Optical, Inc.Volk Optical, Inc.
ItemG-3 Three-Mirror Glass Gonio Fundus LensG-1 One-Mirror Glass Trabeculum LensG-2 Two-Mirror Glass TrabeculumG-4 Four-Mirror Glass Gonio LensG-6 Six-Mirror Glass Gonio Lens
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DescriptionVolk'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 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 ofFor 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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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 The 6 mirror Gonio lens provides the most comprehensive sweeping views of the anterior segment. With no gaps between the mirrors, you can appreciate a true 360° view, reducing examination time by 25% or more.
ApprovalUS FDAUS FDAUS FDAUS FDAInquire
Product NumberVG3VG1VG2VG4VG6LNF
Image MagnificationG-3 Gonio: 1.06x
G-3 Gonio NF: 1.36x
G-3 Gonio MINI: 1.0x
1.5x1.5x1.0x1.0x
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Contact diameterG-3 Gonio: 15mm
G-3 Gonio NF: 11.4mm
G-3 Gonio MINI: 9.6mm
G-1 Trabeculum: 15mm
G-1 Trabeculum NF: 8.4mm
G-2 Trabeculum: 15mm
G-2 Trabeculum NF: 8.4mm
15mm8.4mm
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Laser SpotG-3 Gonio: .94x
G-3 Gonio NF: .97x
G-3 Gonio MINI: 1.0x
.67x.67x1.0x1.0x
Mirror Angles60°/66°/76°62°60°/64°4x 64°6 by 63°
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