Specifications

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eye shop | Volk Gonio Lenses
Volk Gonio Lenses
G-4 Goniolaser and G-4 Gonio NF (No Flange)
The G-4 Goniolaser lens features 4 precisely angled 64° mirrors to
deliver a complete view of the anterior chamber angle with slight
rotation. The standard fluid design (flanged glass contact element)
provides a stable platform during laser treatment of the
anterior segment.
The NF design features a small 8.4mm radius contact surface that’s
ideal for both static and dynamic gonioscopy while eliminating
the need for viscous interface solutions such as methylcellulose.
Four NF models are available, including: small hand held (25.5mm
diameter), large hand held (29mm diameter), extended handle
(3 ½” straight handle) or angled handle (3 ½” 45° angled handle).
New 2-in-1 handle
The new 2-in-1 handle can be removed or re-attached to create a
straight or angled handle design.
G-6 Six-Mirror Glass Gonio Lens
The six 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.
• Six closely aligned mirrors eliminate gaps providing a
true 360° panoramic view
• Simpler to locate position and scan across mirrors
• Reduces need to maneuver slit lamp
• A taller, narrower body - easier to hold within the orbit
• No flange/fluid design simplifies the examination
Volk Gonio Lens Specifications
Lens Field of View Image Mag. Laser Spot Contact Diam.
G-3 Goniofundus Lens 60° / 66° / 76° 1.06x .94x 15mm
G-3 Goniofundus NF Lens 60° / 66° / 76° 1.03x .97x 11.4mm
G-3 mini Goniofundus NF Lens 60° / 66° / 76° 1.0x 1.0x 9.6mm
G-4 Goniolaser Lens 4 x 64° 1.0x .67x 15mm
G-4 Gonio NF Lens 4 x 64° 1.0x .67x 8.4mm
G-6 Six-Mirror Gonio Lens 6 x 63° 1.0x 1.0x 8.4mm
Part numbers
2105-L-1664 G-4 Gonio Fundus Lens
2105-L-1795 G-4 Gonio Fundus 2-in-1 Handle
2105-L-1998 G-6 Six-Mirror Glass Gonio Lens
2105-L-2003 G-6 Six-Mirror Glass Gonio Lens on a handle
All Volk lenses are listed but not shown - for details on
other Volk lenses, please contact Keeler on 0800 521251.