Nash equilibrium. In game theory, the Nash equilibrium is a solution concept of a non-cooperative game involving two or more players in which each player is assumed to know the equilibrium strategies of the other players, and no player has anything to gain by changing only his own strategy.
This number represents your PD in millimeters. 5 MEASURE YOUR PUPILLARY DISTANCE ZENNI Â® TIPS ËMeasure this paper against a ruler to assure printout is accurate. ËMost adults have a PD between 54 - 74mm. ËMost children have a PD between 43 - 54mm. ËTake a few measure-ments for consistency. WHATâS PD? The Pupillary Distance (PD) is the distance between the pupils of the eyes, center to center, in millimeters. A PD should be provided as part of your prescription. Read more about Pupillary Distance and how to read your prescription on our website by visiting: zennioptical.com/measuring-pd PD = 56 FOLD FOLD 0 10 20 30 40 50 60 70 80 5 15 25 35 45 55 65 75 USING A MIRROR 0 10 20 30 40 50 60 70 80 USING A FRIEND 5 15 25 35 45 55 65 75 LOOK IN A MIRROR OR FIND A FRIEND Stand 8 in. (20 cm.) away from a mirror or a friend. Place & hold the PD ruler against your brow. Keep your face straight. 3 (20 cm) 8 in MIRROR
What is Pupillary Distance? Pupillary distance (PD) measures the space between the pupils of your eyes. Knowing this measurement is important to make sure your eyes match up with the optical center of your lenses. The average adultâs PD is between 54-74; kids' are between 43-54. How to Measure Your PD? Stand 8 in. away from a mirror. Hold a ruler against your brow. Close your right eye then align the rulerâs 0 mm with the center of your left pupil. Look straight then close your left eye and open your right eye. The mm line that lines up to the center of your right pupil is your PD.