The advanced refraction optical system of the Ezer ERF-3600 Phoropter ensures more effective measurements.

The feature-packed Ezer ERF-3600 provides all the tools you will need to confidently perform manual refraction. Offering an easy-to-use convergence system that allows you to switch between distance and near with one simple flip of a lever as well as a smartly designed corneal aligning device, the ERF-3600 is packed with intuitive technology. In addition to its attractive design, this Ezer refractor provides an incredibly wide range of powers, allows you to precisely refract and perform vision testing on virtually any patient. In fact,  an even greater testing range is made possible with the use of the included auxiliary lenses—all of which are coated in high-grade plated film, eliminating any glare or ghost images.