Topcon KR-800 Autorefractor/Keratometer Features Bright, new 8.5 color touch-screen display Compact, modern and ergonomic design A 23% lighter weight design improves joystick operation Seemless connection to Topcon CV-5000s Refraction System Topcon’s Rotary Prism technology for highly accurate keratometric and refractive measurements Model KR-800S offers subjective refinement and glare testing