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...
Pupillary distance (PD) is the distance between the pupils of your two eyes. It is an essential measurement when buying a new pair of eyeglasses orprescription sunglasses. For greatest comfort and clarity, the optical center of each lens of your glasses should be aligned directly in front of...
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 should be as accurate as possible. What is single and dual PD? Single PD, or binocular PD, is the pupillary distance betwee...
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 should be as accurate as possible. What is single and dual PD? Single PD, or binocular PD, is the pupillary distance betwee...
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.
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 DUAL PD, or monocular PD, consists of two numbers and is the distance between the centers of each pupil to the bridge of ...
Keep your eye on a good deal The prescription should include the pupillary distance, which is the distance between the centers of the pupils of each eye. Battlefield vision: eyeglasses for the soldier There was nothing particularly wide-eyed about the patient for whom I recorded a pupillary ...
Pupillary distance is the distance between the centers of the pupils of the eyes. This measurement is typically used when...
Where is my PD on my prescription? What happens if my pupillary distance measurement is off? Does PD affect frame size? Does PD change over time? Is PD important for single vision glasses? What is the difference between ‘single’ and ‘dual’ pupillary distance?
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. ...