An ophthalmic endoilluminator has a power supply coupled to a light source, a controller, a collimation device, an alignment device, a lens, and an optical fiber. The light source has three light emitting diodes. Each of the three light emitting diodes produces a different color light. The controller...http://www.google.es/patents/US7682027?utm_source=gb-gplus-sharePatente US7682027 - Multi-LED ophthalmic illuminator
