Ocular OG3M Universal Three Mirror Lens
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This classic "Goldmann" type lens has three mirrors angled at 59°, 67° and 73° to permit viewing of the peripheral fundus and anterior chamber angle. 36° of the posterior pole can be viewed through the center of the lens. Many heights and diameters are available. Gonio mag .80x. Also available with our high performance anti-reflective coating.