Haag-Streit CGA Gonioscopy Lens for Laser Treatment and Imaging Features Manufactured of mineral glass with antireflection coating Reduces the laser spot by a factor of 1.5 as compared to Goldmann contact glasses. Less energy is required to cut strands during the cataract incision with the YAG laser Allows the visualization of the fine structures of the trabeculum due to its high resolution Produces excellent photos and video recordings due to the low-reflectivity coating Magnification: 1.5x Mirror Angle: 58 degrees Magnification laser spot on retina: 0.66x