DFV - Designs for Vision - optometry, ophthalmic, optician supplies and service in Australia and New Zealand



VOLK Direct Contact Laser Lenses

H-R Centralis Lens

Primary Application:

Highest Resolution, High Magnification Viewing and Treatment of the Posterior Pole.

Features & Benefits:

  • Enhanced double aspheric design eliminates distortion and improves stereopsis to the periphery of the view
  • Superior high grade low dispersion glass delivers unsurpassed resolution
  • Improved capability with pupils as small as 4mm
  • Reduced sized housing facilitates manipulation within the orbit

This lens comes standard with a flanged contact element and broadband coating. 

Volk Lens - H R Centralis

Specifications
Field of View: 74°/88°
Magnification: 1.08x
Laser spot: .94x

Contact diameter: 15mm

 


Volk SLT Lens

Primary Application:

Chamber Angle Examination and Selective Laser Trabeculoplasty procedures.

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 procedures and features:

Features & Benefits:

  • 1.0x magnification maintains laser spot size and power density
  • Curved upper lens surface ensures laser beam profile remains circular for consistent laser spot placement.
  • Contact used with coupling fluid ensures stability for laser delivery
  • Large internally reflective facet provides excellent view of the angle

This lens comes standard with a flanged contact element and broadband coating.

Note: The lens may be used for all other trabeculoplasty procedures

Specifications
Facet angle: 63°
Magnification: 1.0x
Laser spot: 1.0x

Contact diameter: 15mm


Centralis Direct
Extra Easy Handling!
Volk's Centralis Direct Laser Lens affords the practitioner a direct upright image of the posterior segment of the eye.
Utilizing a unique solid methyl methacrylate optic with a bonded protective glass LaserWindowTM exterior, this special optical design eliminates filament reflection common to other lower profile fundus lenses.

Centralis Direct also features an aspheric corneal contact design for improved fit and maneuverability, visible wavelength and laser beam transmission exceeding 99%

The convenience of a knurled grip area extending beyond the orbital margin, is for extra easy handling.

Available in Volk's exclusive ANF+ (Advanced No Fluid) contact design for methylcellulose free use.


Your choice either SupraCoat (argon/AR) or LaserPlus (diode) laser coating.

Specifications:
26° Dynamic Field of View
.9x Magnification
 
Fundus 1.25 Laser Lens
  Double Aspheric!

This is an advanced fundus laser lens design with Volk exclusive Double Aspheric™ optics for superior high magnification viewing and treatment of the optic nerve head and macula. State-of-the-art computer designed aspheric optics provide improved performance over existing fundus lens designs.

The Volk Fundus Lens comes standard with LaserWindow® for optimal laser beam transmission and imaging element protection. This unique feature also creates a “closed” system - protecting the imaging element from dirt, oils & debris - ensuring precision laser placement.


Specifications:
35° - 48° Dynamic Field of View
1.25x Magnification

 
Fundus 20mm Laser Lens
  Double Aspheric!

The Fundus 20mm is a variation of Volk's standard Fundus Lens.
The Fundus 20mm provides 1.44x magnification and has an increased 20mm contact element.

The lens is designed so that the contact element sits under the patients eyelid during examination and provides additional stability during laser procedures.

Developed with Peter Kaiser, MD, Cole Eye Institute.


Specifications:
25° - 30° Dynamic Field of View
1.44x Magnification

 
Capsulotomy Lens
  Double Aspheric for precision treatment!

Laser capsulotomy procedures are now greatly improved with Volk's exclusive Double Aspheric Capsulotomy Laser Lens.

This new lens promotes precise and focused laser beam placement at the capsular bag.
Computer optimized for enhanced viewing and laser treatment of the posterior capsule.

This new aspheric design comes standard with LaserWindow for optimal laser beam transmission and imaging element protection.


Specifications:
1.57x Magnification
2.41x Laser Spot at Capsular Bag
 
MagPlus Iridectomy Lens
  130% Larger Treatment Area!

Volk's new MagPlus Iridectomy Lens further enhances iridectomy procedures by providing a larger offset viewing area with exceptional clarity and resolution.

The bulb on this lens has been increased from 8mm (standard iridectomy lens) to 11.7mm.
The MagPlus comes standard with LaserWindow for optimal laser beam transmission and imaging element protection.

See the standard Volk Iridectomy Lens (below).


Specifications:
1.6x Magnification
 
Iridectomy Lens
  Double Aspheric!

If you prefer a standard style iridectomy lens, then consider the Volk Iridectomy Lens.

Its 8mm imaging bulb delivers the view you're used to but with the added benefit of Volk's exclusive Double Aspheric design and Laser Window for superior laser transmission & imaging element protection.


Specifications:
1.7x Magnification

Download Volk 2009 Catalogue (3.5MB .pdf) Technical Lens Specifications  


     

 




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