HUVITZ CDR-3100(JB) Digital Refractor/phoropter controller with Juction box Tested functional Fair condition, as it is in the photos Core Features Digital refractor (automated phoropter) Motorized lens changes for fast and smooth refraction Eliminates manual dial operation → improved ergonomics High precision refraction Sphere, cylinder, axis adjustments with fine steps (typically 0.25 D) Wide measurement range (approx. up to ±20 D depending on configuration) Synchronized cross cylinder Automatic Jackson cross-cylinder rotation Faster and more accurate astigmatism refinement Ergonomics & Workflow Fully digital control Operated via control panel or tablet (depending on setup) Simplified workflow for practitioners Fast lens switching Smooth and silent transitions between lenses Reduces exam time Patient comfort Natural near-vision position with convergence Minimal mechanical noise and movement Connectivity & Integration Data integration Can import measurements from: Auto-refractometers (ARK) Lensmeters Export results to EMR systems Digital ecosystem compatibility Designed to integrate with Luneau / Visionix refraction units and charts Optical & Functional Components Auxiliary lenses included Maddox rod (horizontal/vertical) Polarizing filters Red/green filters Pinhole, occluder Prisms (for binocular vision tests) PD adjustment Adjustable interpupillary distance (approx. 48–75 mm range typical) Prism testing Built-in rotary prisms for binocular vision evaluation Build & Reliability Robust construction Designed for intensive daily use Long lifespan with stable calibration Precision optics Multi-coated lenses for clear and accurate results Key Advantages (in practice) Faster refractions (higher patient throughput) Reduced practitioner fatigue (no manual knobs) Better repeatability and accuracy Easy integration in a digital exam lane