Click here to read the article The advent of phoropters offering continuous power changes has made new subjective refraction techniques possible. One of them consists of determining a patient’s refraction using semi-automated algorithms that simultaneously change sphere, cylinder and axis in increments of variable dimension.* This article provides an overview of this technique’s general principles and shows how it can make both determining refraction easier and achieve more accurate results. READ THIS ARTICLE... Article from the magazine "Point de vue"