![]() For reference, the typical range for children's PD is between 42-65mm. This measurement represents your child's PD. Identify the millimeter line that aligns with the center of your child's left pupil. ![]() STEP 3: Maintain stability while holding the ruler and ask your child to stay as still as possible. ![]() Align the zero (0) measurement on the ruler with the center of your child's right eye pupil. STEP 2: Position the pupillary distance ruler just below your child's eyes, ensuring it remains perfectly horizontal. STEP 1: Print the file provided below at actual size using a standard letter-size (8.5" x 11") sheet of paper, or use a measurement tool with millimeters. Please note that the app is compatible with iPhoneX or newer models. How to Measure Pupillary Distance for Children Option 1: MOBILE APPĭownload our virtual try-on app, which includes a pupillary distance measurement function. If you have any questions or would like assistance in verifying the measurement you obtain, you can send a picture of the measurement tool next to your child's eyes to (616) 202-5844, and we will be glad to confirm their PD for you. ![]() If you prefer not to download the app or your phone is incompatible, you can watch our step-by-step video tutorial and follow the instructions below to measure it at home. If your prescription does not include the pupillary distance, you have a few options:Ĭontact your eye doctor to check if they have this measurement on file.ĭownload our app, linked below, which can measure the pupillary distance for you. The industry standard allows for a 2-3mm margin of error in the measurement without negatively affecting your child's vision. This measurement is crucial to ensure proper alignment of lenses within your child's glasses frames. Pupillary Distance (PD), also known as interpupillary distance (IPD), refers to the distance in millimeters between the centers of both pupils. ![]()
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