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Essentially, it’s the distance between the centres of your pupils (the black bits in the middle of the eyes). Your PD is an important part of your glasses prescription that makes sure you’re looking through the best spot in your lenses for clear vision.
What is PD? Your Pupillary Distance, or PD, is the distance in millimetres (mm) between the centre of one pupil to the centre of the other. A personalised fit starts with measuring your pupillary distance - It indicates which part of the lens you look through, ensuring optimal comfort and clarity.
24 sie 2019 · An accurate pupillary distance (PD) is essential for clear, comfortable vision when buying prescription eyeglasses. Find out how to measure your own PD.
7 gru 2022 · Pupillary distance (PD) is the measurement of the distance between your eyes’ pupils, expressed in millimeters. Your optician or eye doctor can measure your PD at your eye exam with an instrument called a pupillometer. Sometimes your PD is included on your prescription, but not always.
8 lis 2022 · Pupillary Distance (PD) is the distance, in millimeters, between the center of one pupil to the center of the other. The PD is needed to manufacture your glasses because it determines the exact optical center of the lens, which is the point where you look through the lens.
Prescription Eyeglasses. Does Pupillary Distance Have to Be Exact? Pupillary distance – also known as interpupillary distance – is a measure of the distance between a subject’s pupils. FINDING PUPILLARY DISTANCE. This measurement is factored into the creation of corrective lenses to help locate the optical center of the lenses.
10 paź 2023 · The average adult PD typically falls between 54-68 mm, but individual variations exist. For children, the range is approximately 43-58 mm. Understanding your PD is key to enjoying the best vision possible with your eyeglasses.
