So einfach geht’s: Klassische Refraktion mit dem automatischen Phoropter HDR-9000

Refraction with the Huvitz HDR-9000 is so easy; I'll show you just how simple it is in this video – even if you're used to trial frames or a manual phoropter. This video covers the procedure for a classic refraction; another video demonstrates the process of a 3D refraction with the PolaSkop3D.