| Description | The new KR-1 Auto Kerato-Refractometer features fully automated operation with an easy-to-use color touch screen, a 360 degree rotatable monitor, and a flexible layout and space saving design. The patented Prism measuring system ensures fast, | The 5-in-1 KR-800S Auto Kerato-Refractometer incorporates Topcon's Rotary Prism technology for unparalleled accuracy and consistent measurements. It features several new tests, including a visual acuity (VA) check for near and far distance, contrast |