Accurate Pupil Distance Measuring Tool Vernier Scale Optical Vernier PD Ruler Ophthalmic

Label:Yes Specifically designed as a compact yet precise measure optical vernier pd ruler Material:PVC Condition: brand new and good quality Item:PD Ruler Size:21*5.4cm(8.27*2.13in)

Features: This measure optical vernier pd ruler is not only a essential tool for glasses shops to measure customers' pupil distance for lens customization, but also serves as a practical pupillary distance measurement tool for optometrists during home visits, optical training institutions for teaching purposes, and even individuals who need to verify their pupil distance before purchasing glasses online

Package Included: 1 x PD Ruler