The KR-800S is a precise Auto Kerato-Refractometer using Topcon’s exclusive Rotary Prism technology. It offers various tests, including visual acuity for near and distance, subjective refraction, contrast sensitivity, grid, and glare testing, which helps in cataract screening. The KR-800S works as a stand-alone unit with a built-in printer or can be integrated into Topcon’s CV-5000S digital refraction system for easy data transfer.