Indirect Gonioscopes

CompanyVolk Optical, Inc.Volk Optical, Inc.Volk Optical, Inc.Volk Optical, Inc.Volk Optical, Inc.
ItemG-1 One-Mirror Glass Trabeculum LensG-3 Three-Mirror Glass Gonio Fundus LensG-4 Four-Mirror Glass Gonio LensG-6 Six-Mirror Glass Gonio LensHigh Mag 4 Mirror Gonio Lens
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DescriptionThe 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 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.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

ApprovalUS FDAUS FDAUS FDAInquireUS FDA
Product NumberVG1VG3VG4VG6LNFVG4HM
Image Magnification1.5xG-3 Gonio: 1.06x
G-3 Gonio NF: 1.36x
G-3 Gonio MINI: 1.0x
1.0x1.0x1.5x
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Contact diameterG-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
15mm8.4mm8.4mm
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Laser Spot.67xG-3 Gonio: .94x
G-3 Gonio NF: .97x
G-3 Gonio MINI: 1.0x
1.0x1.0x0.67x
Mirror Angles62°60°/66°/76°4x 64°6 by 63°4 x 64°
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