12 Pcs Optical Vernier PD Ruler Pupil Distance Measuring Ruler Digital Callipers for Reading Pupil Distance

$20.99

  • Material: Made of high-quality plastic, durable, smooth surface, will not scratch your hands, accurate scale
  • Package Content: Including 12 glasses interpupillary distance measuring ruler, enough for your daily use
  • Easy to Use: The PD ruler can help you when you want to buy glasses online. Put the notch of the PD ruler over your nose, as close to your eyes as you can, find the middle of your pupil in a mirror, read the line closest to the middle of the pupils
  • Portable: The eye distance ruler is suitable for personal use or professional use, the scales are clear, small and lightweight, easy to carry or store
  • Multipurpose Usage: In the process of optometry, it is used to measure the distance between the eyes of the human eye and the height of the pupil to the bottom of the lens

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Additional information

Weight 0.045 kg
brand

N\A

dimensions

16.5 x 11.6 x 0.5 cm; 44 Grams