Pupillary Distance, abbreviated as PD, is a standard measurement that you will find in glasses prescriptions. What is pupillary distance Pupillary distancemeasures the distance between the center of your pupils. The measurement should be as precise as possible as it determines where you look throug...
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.
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 need to size your feet properly then order a new pair. The same principle applies here—guessi...
Is PD important for single vision glasses? What is the difference between ‘single’ and ‘dual’ pupillary distance? How to find pupillary distance? What does PD mean for glasses? Do you need the PD for sunglasses? What is the average pupillary distance?
You canmeasure your pupillary distance at homeand use it when buying glasses online or in-store. Although your pupillary distance shouldn’t impact the size of your glasses, it will affect the placement of the “optical center” of the lens (i.e., the part you’ll be looking through)....
SINGLE PD is the pupillary distance between the center of one pupil to the other, which can be a distance PD or near PD. Distance PD can be used to order any type of prescription glasses except reading glasses. Read below to learn how to calculate near PD for reading glasses. dual pd...
Find your frame dimensions Grab a pair of glasses that fits you just right to find your perfect measurements. Your glasses might have numbers on the inside of the temple arm. These refer to the lens width, bridge width, and temple arm length. ...
Pupillary Distance(PD) is the measurement of the distance from the center of one pupil to the other. It is a simple but crucial measurement when shopping for glasses online because it's the method used to ensure that the lens's optical center is properly positioned over the pupil. ...
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OU (Oculus Uterque):Refers to both your eyes. D (Diopter):This is represented by a number on your eye prescription that shows how much focusing power is needed to correct your vision PD (Pupillary Distance):This number is the distance between your pupils, which is important for ensuring th...