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...
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...
Easily measure your pupillary distance (PD) at home. Fast, accurate, and user-friendly. Try it now > Why is it important? Every set of prescription lenses has an “optical center”, which should align with where you look through the lens. Pupillary distance is used to determine this and...
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.
Can I just guess my PD? Do not guess your pupillary distance then order prescription glasses! Pupillary distance must be accurate for prescription glasses to properly work. Think of it like guessing your shoe size: If you end up with a pair of shoes too big or small to wear, you would...
Can’t find your PD in your prescription? Use ouronline toolfor the quickest way to figure it out. When it doubt, book a free eye test It’s vital to have all the correct information when ordering prescription glasses — when in doubt, book an eye test. Prescriptions usually expire after...
Now when you’ve already learnt which dimensions you need to know in order to determine your frame size, you can easily measure them with a millimetre ruler or cloth measuring tape. DIY activity for today is done and you’re again one step closer to the perfect fit of your new eye...
If you're under 40, these glasses will help you see well at all distances. If you'reover 40, the prescription will be set according to the distance you want to see well at. A specialist will help you determine the correct prescription according to your needs. ...
Your glasses or contact lens prescription may be digital or on paper. Either way, it will contain a chart that lists numbers, abbreviations, and sometimes words to define your eye prescription. To help you determine what all this means, here are common eye prescription abbreviations and what th...
Whether you need to wear glasses all day or only in certain circumstances, they should never be uncomfortable. Make sure you’re getting the best fit for your face along with the best vision for your eyes! More in All About Eyewear