Description

Put the over your nose, as close to your eyes as you can, then the middle if your pupils in a mirror, read the line closest to the middle of the pupils. premium material for long time use. They help you to lengths of your optical frames.

Features

-Color: As Shown
-Material: Plastic
-Size:18.00X2.50X0.10cm/7.07X0.98X0.04in
-The ruler measures the vision and gives you accuracy in measuring left and right eye visions.
-Professional and practical design with beautiful appearance, easy to carry and use.

-In the process of optometry, they are used to measure the distance between the eyes of the human eye and the height of the pupil to the bottom of the lens.
-Eye distance rulers are suitable for personal or professional use, with clear scale.
-Optical PD ruler helps you measure precisely the distance between your pupils.

6 x PD Rulers

1.If you have some inquires or problems, Please feel free to contact us.
2.We will reply your email within 1 business day (except weekend).
3.When delivery is delayed or items are damaged during delivery, please email us first before you leave feedback. Thank you.