3Pcs Eye Measurement Ruler Distance Pupil PD Measuring Gauge 2 In 1 Ophthalmology Tool

Feature: 1. EASY TO USE: Smooth edges with a bridge design, good positioning and a perfect match make PD measurement easy and accurate 2. MEASURING RANGE: Distance in millimeters, 20mm~40mm on each side, complete PD between 40mm ~ 80mm, wide and practical 3. WIDELY USED: Right or left hand is convenient and comfortable to use, but also can be used for measuring glasses frame replacement 4. SIMPLE AND ACCURATE: Can also be used for distance measurement of glasses, to help you measure the distance of the pupil 5. 2 IN 1 FUNCTION: Perfect coverage of your eyes to read eye chart and measure the distance between pupils

Specification: Item Type: Eye Measurement Ruler Purpose: To help you measure pupil distance Material: Plastic

Package List: 3 x Eye Measurement Ruler