The High Definition Ergo loupe allows you to work in comfort and preserve your career. Our deflection optics improve posture without sacrificing vision. By using refractive prisms to allow clinicians to sit up straight and reduce neck tilt, the HDL Ergo loupe is an ergonomic option that delivers all-day comfort. Our High Definition Ergo loupe with verified 3.5x magnification outperforms the competition. Improve your posture, improve performance.