Indirect Gonioscopes

CompanyVolk Optical, Inc.Volk Optical, Inc.Volk Optical, Inc.Volk Optical, Inc.
ItemG-4 Four-Mirror Glass Gonio Lens3 Mirror LensG-6 Six-Mirror Glass 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 Volk 3 mirror lenses featuring ultra-clear Volk 3-Mirror optics, incorporating 3 mirrors precisely angled at 76°, 66° and 60°. The 3 Mirror is ideal for anterior chamber as well central and peripheral fundus viewing and treatment. The retinal 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.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 FDAInquireInquire
Product NumberVG4V3MIRVG6LNFVSLT
Image Magnification1.0x1.06x1.0x1.0x
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Contact diameter15mm3 Mirror: 15mm
3 Mirror NF: 18mm
8.4mm15mm
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Laser Spot1.0x.94x1.0xInquire
Mirror Angles4x 64°60°/66°/76°6 by 63°63°
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