Using a physical PD ruler to measure your Pupillary Distance for glasses. PD is the distance between the center of one pupil to the center of the other. The average PD is 54 to 78mm.
Learn how to measure your eyeglasses frames size with our DIY infographic. Take control of your eyewear fit. Read more at Zenni Optical.
1. 自己保持頭部垂直(避免前後仰)站在鏡子面前,接著將直尺水平貼靠在你的眼珠下緣(直尺不能有彎曲) 2. 先將直尺中0的刻度對準一眼(假設是左眼),可以雙眼先看左眼瞳孔中心與0的刻度對準,接著再用雙眼注視另一眼(變成右眼),並讀出另一眼瞳孔中心下的刻度,該刻度就是您的瞳距(PD),測2-3次會更精準。 方...
What to measure PD for glasses ThePD measurement for glassesis usually slightlydifferent from the actual pupillary distance. By deducting 3mm from your distance PD, you may determine your near PD for reading glasses. To determine near PD while utilizing Dual PD, deduct 1.5mm from the measurement...
Unfortunately, this measurement isn't always included on the print-out prescription you receive after an eye exam. So if you want to order eyeglasses online, you can either ask your optometrist for your PD or measure it yourself. If obtaining your measurement from your optometrist isn’t ...
Learn how to measure your pupillary distance & get answers to common questions such as what is a PD measurement & why it's important to your prescription.
If you're ordering glasses online and don't have your PD, here's a straightforward method to measure it yourself at home. Visit Zenni Optical to learn more.
Learning how to measure your pupillary distance at home is an important step towards finding your next pair of glasses. Try our free average pupillary distance ruler.
Discover how to measure your pupillary distance and understand why it's vital for your eyewear. Find the perfect fit for your glasses using our Opthy app.
3.MEASURE Starting with the right eye, line up the zero end of the ruler at your pupil; measure the distance from your right to your left pupil. The millimeter number that lines up with your left pupil is the measurement you want: that number is your PD!Smart tip: Just to be sure...