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Why is accurate IPD important?
Accurate IPD settings help get a clear image and reduce eye strain.
The headset lenses focus images toward their optical center. This is sometimes called the "sweet
spot" in the VR industry. By adjusting the IPD knob, you can tune the sweet spot for the most
comfortable view. Misaligned IPD and improperly adjusted headsets are common causes of
blurry images, dizziness, and eye strain.
How can I find my IPD?
There are several ways to estimate your IPD.
The most accurate way to determine your IPD is to consult a professional optometrist or eye
doctor. You can also estimate your IPD by doing any of the following:
§ Use a ruler and a mirror. See below for detailed instructions.
§ Through experimentation. See below for detailed instructions.
§ Using third-party apps or websites.
Third-party apps or websites may collect personal data. HTC cannot guarantee accuracy of
third-party apps or websites in measuring IPD.
Estimating your IPD in a mirror
You can estimate your IPD with a ruler and mirror.
This method requires a millimeter ruler.
1. Stand directly in front of a mirror, and then hold the ruler up to your eyes. Make sure that
the ruler is level. If you're using a flexible ruler, make sure not to bend it.
2. Align the zero mark with the center of your pupil. You may need to close your other eye to
get a clear measure.
30 40 500 10 20 60
13 Headset and headphones
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