Inter-pupillary distance
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IPD (interpupillary distance) is the distance between the pupils of the eyes.
Most adult humans have an IPD of about 63mm.
IPD can be measured in a number of ways.
Some VR headsets have an IPD adjustment. The Oculus Rift DK1, DK2, and HTC Vive have manual IPD adjustment. And the Valve index too.
Mirror measurement[edit]
IPD can be measured using a mirror.
It can be measured by standing close to a vertical mirror, and close one eye at a time. Each eye look directly into that eye on the mirror, use a marker to mark a spot on the mirror where the pupil is. The distance between the dots is a measurement of IPD.[1]
References[edit]
- ↑ How to measure your IPD with a mirror at MTBS' Immersipedia. https://web.archive.org/web/20140328140034/http://www.mtbs3d.com/wiki/index.php?title=How_to_measure_your_IPD_with_a_mirror