Discover ways to measure your pupillary distance (PD). Learn how to calculate near PD and avoid vision discomfort with correct measurements.
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 ensurin...
PD stands for Pupillary Distance, which is the measurement from the center of one pupil to the center of the other. Your PD is an important factor and tells you where you look through the lens of your glasses and should be as accurate as possible. For people with strong prescriptions, ...
All About Sunglasses Blokz Blue Blocker Lenses All About Progressives All About FL-41 Glasses All About Trivex Lenses How To Videos View All How to Order Your Glasses Online How to Measure your PD(Pupillary Distance) Choosing the Best Frames for Progressives ...
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?
Read more » Understanding Pupillary Distance and How to Measure It Posted:July 17, 2023 Categories:How To Guides 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 bec...
Tips & Guides: How to order glasses online How to read prescription Lens index Pupillary distance (PD) PD Ruler Frame sizes Frame and face shapes Color guide for glasses How to choose lenses Best fitting eyeglasses selection Best fitting sunglasses selection ...
Sure, the word pupil comes from a Latin word, pupilla, that means "little doll," referencing how those storied orbs produce miniature, doll-like reflections of people in their sightline, much like shiny sunglasses lenses [sources: Merriam-Webster]. But your pupils — the vacillating openings ...
Get all frame styles from classic aviators to round shapes in one place. Save when you shop with us! Quick links:Glasses frame size guide What is pupillary distance (PD)? How to know if your glasses prescription is wrong? Disclaimer: The advice in this article is for informational purposes...
Generator: a compound surface grinder used to grind curves in the surface of the lens Induced prism: a technique that moves the optical center away from the pupillary center Read More Making a Lens: Part 2 A compound grinder, called a generator, grinds the required curves into the back ...