ophthalmic A/B scan: 1.CE, ISO13485, ISO 9001 2.USB ... .small, light, compatible 4.fast delivery time ophthalmic A/B scan #CAS-2000B: Main configuration:USB 2.0 compatible ... ACD, Lens, Vitrous, Axial length, and its averageDISPLAY mode: B, B+B, B+A mode,IoL table calculation: Holladay, Hoffer-Q, SCDK, SRK ... .cas-2000B is not integrated A/B scanner. If you need integrated A/B scanner, you may order our cas ...