With Total Keratometry (TK®) the IOLMaster® 700 from ZEISS now allows you to directly measure the posterior corneal surface using SWEPT Source OCT technology. • Two exclusive new formulas: Barrett TK Universal II and Barrett K Toric • Can be used in existing IOL calculation formulas – no need for a second device, third-party software or an online calculator • Existing IOLMaster 700 can be upgraded | ZEISS Medical Technology