![]() ![]() Do I use Dist PD or near PD when ordering glasses? During the day, your PD can vary about 3-4 mm depending on your viewing distance. Typically, adult pupillary distances range between 54 to 68 mm and children range from 41 to 55 mm. ![]() Your PD is widest when looking far away and progressively narrows as you look at closer objects. For children the measurement usually ranges from 41 to 55 mm. ![]() What is the average eye PD?Īn average PD measurement is about 62mm for women and 64mm for men. This is why: Dual PD is believed to be the most accurate since many people have different distances between their nose and pupil on each eye. Single PD is the total distance between the center of both pupils. Another example is if your numbers are 34.5/33.5, then it means your PD was taken one eye at a time. The first number, which is always higher, is for distance, and the second number, which is always lower, is for near-vision reading only. A small margin of error might not cause problems, but it’s better to be as accurate as possible. If your lenses aren’t centered correctly, they can cause discomfort and eye strain. ![]() If the PD measured was 2mm off initially, by using a millimeter rule, the net cumulative error might be 4.5mm or more. But if you have two different numbers, you have been measured for Dual PD (also known as monocular PD). 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. Can you have 2 pupillary distance?ĭual PD. 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. The PD, which stands for pupillary distance, is the distance between your pupils in millimeters. Do I use Dist PD or near PD when ordering glasses?.Don’t leave such an important part of your eye health and personal style to a sales associate or online checklist. You likely wear glasses or contacts every day. They look at the size and shape of the lens, pupil and focal measurements, fitting heights for both single vision and multifocal lenses, lens materials, and more while making sure that the frames look the best and that you feel good about your purchase. Working as a team with the optometrist and ophthalmologist, the certified optician will analyze your prescription and educate you on the best lens options that affect the way you see. The certified optician also specializes in training new patients in the wearing of contact lenses. A certified optician is an eyecare expert that specializes in the fitting, adjusting, and dispensing of prescription eyeglasses and other visual aids. Our board-certified opticians work with your doctors to ensure you achieve the best possible vision with your new eyewear. The experts at UW Health Optical will help you live your best life by ensuring you don’t miss any of the details, in style.Īt UW Health, your eye health care team isn’t limited to your optometrist or ophthalmologist. They look at the size and shape of the lens, pupil and focal measurements, fitting heights for both single vision and multifocal lenses, lens materials, and more while making sure that the frames look the best and makes you feel good about your purchase. ![]()
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