If your PD has two numbers, do not worry, as it is very simple to figure out. If the two numbers are the same, add them together to get your PD number. If the two numbers are different, the higher number of for distance and the lower number is for near vision.2021-01-07
What does it mean if you have two PDS?
Dual PD. ... A dual PD is provided with two numbers and represents the measurement of each pupil center to the center of the bridge of your nose in millimeters. An example of a dual PD measurement is 32/30. The first number corresponds to the right eye and second number to the left eye.2020-06-02
Can PD be different for each eye?
Pupillary distance (PD) or interpupillary distance (IPD) is the distance measured in millimeters between the centers of the pupils of the eyes. ... Monocular PD refers to the distance between each eye and the bridge of the nose which may be slightly different for each eye due to anatomical variations.
How do I know if I have single or dual PD?
A single PD would be provided by one number and is the measurement of the center of one pupil to the center of the other. ... A dual PD would be provided with two numbers and would appear and is the measurement of each pupil center to the center of the bridge of the nose, in millimeters.
What does a dual PD mean?
Dual PD is the measurement of the center of each pupil to the bridge of the nose. Single PD is the total distance between the center of both pupils. We recommend measuring dual PD.
Can PD be different in each eye?
The PD, which stands for pupillary distance, is the distance between your pupils in millimeters. You have a Right Eye (OD) PD and a Left Eye (OS) PD, which can be different and are measured from the center of the nose to each eye independently.2018-07-02
What if my PD measurement is wrong?
If your pupil distance does not match where the centers of your pupils are, your vision can be affected– Like wearing someone else's glasses! The wrong PD can induce eye strain, fatigue, headaches and blurry vision. ... Sometimes it is a vague sense that something is wrong with their glasses.2017-12-26
Can your PD be two different numbers?
Typically, there will only be one number in your PD measurement - this is called Single PD, and it can be used to order most types of prescription eyeglasses. But if you have two different numbers, you have been measured for Dual PD (also known as monocular PD).