Contact Measure-PD.com
Measure-PD.com gives you free PD, frame-size and VR IPD tools. The people who build and check the tools read its inbox.
If a result seems wrong, a headset range changed or a source link no longer works, e-mail write@measure-pd.com.
You should get a response in no more than three working days, often sooner.
Do not send your photo or prescription in the message. We only need a few words about what you saw to look into it.