Ocular Gaasterland 4 Mirror Gonio


Call For Availability

When Removable Flange applied, contact diameter is 17mm.

  Static Gonio FOV Contact Diameter Lens Height Ring Diameter Gonio Mag
OG4MG 90°+ 8.5mm 22mm 24.5mm .61x
OG4MG with 17mm Flange 90°+ 17mm 25.5mm 24.5mm .61x


  • Antireflective coating on the anterior surface for maximum image brightness and contrast.
  • High Refractive Index glass provides total internal reflection even with fluid in contact with the mirrors.
  • A larger field means no need to rotate the lens to see the entire anterior chamber angle.
  • A gonioscopic solution is not required to provide an optical interface.
  • Ocular's advanced Laserlight® HD anti-reflective coating on the anterior surface offers maximum image brightness and contrast. 
  • Outstanding for laser and diagnostic applications (17mm flange adapters recommended for laser procedures). Compatible with visible and near-infrared lasers.
  • Purchased with 17mm lens flange adapters eliminates the need to purchase additional lenses with dedicated flanges.
  • The flange cover is easily removed from the lens for cleaning. 
  • Methylcellulose not required. Methylcellulose recommended with 17mm flange adapter.
Copyright © 2020- Pioneer International, Inc. All rights reserved.