HY-18 Digital PD Ruler

Feature:  For children, the old and people who are inconvenient to move。  For animals (pet)  Out consultation

Feature:  Non-mydriatic image with reliable quality.  45⁰ full-circle design.  Switching anterior-posterior, para-position compensation lens.  Split-line aligning

Feature: Comprehensive and professional dry eye examination and diagnosis program  Support 7 ways of dry eye detection functions to

Feature:  Imported Schott optics from Germany reduces optical distortion, increases clarity and depth of focus.  All the Optical