[Goniophotography with an electron ring flash device and the van Beuningen pyramidal gonioscope].
D004583:Electrons; D004864:Equipment and Supplies; D006068:Gonioscopy; D006794:Household Articles; D009885:Ophthalmology / Q000600:supply & distribution*; D010781:Photography / Q000600:supply & distribution*; D019736:Prostheses and Implants
OPHTHALMOLOGY/equipment and supplies; PHOTOGRAPHY/equipment and supplies