Description
PD OPTICAL RULER: optical pd ruler ensures the measurement of your eyes with precise measures. Enhances the accuracy of measuring eye spectra. The ruler measures the vision spectra at variant measures and gives you accuracy in measuring left and right eye visions. It is designed in such a way that it provides you an easy way to measure the optical lens.
VARIANT AND 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. It helps you to measure all lengths of your optical frames. Suits best when taken with the help of any of your companions.
DEMONSTRATES PRECISELY: 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, then find the middle of your pupil in a mirror, read the line closest to the middle of the pupils. Let your eyes feel the accuracy point and feel the softness of the ruler.
PROMOTIONAL PREMIUM PLASTIC: One size fits all. The PD Check Frames are universal and flexible. These patent-pending lens fewer frames are etched with a set of marks to provide an accurate reference point. It will help you to make the reference marks precise and keep your eyes in a relaxed state. It brings you the feel of relaxation and enhancement of comfort.
PERFECTLY CENTRED NOSE GRIPS: optical vernier pd ruler pupil distance meter Screw thickness gauge both printed on the rear of the ruler. They are comfortable, lightweight and medium thickness, Choose from two different styles. Nose bridge holds the rules stationary and perfectly centered. Measures from the center outward to give both monocular PD readings without subtraction or moving the ruler.
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