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We typically reply within a few business days. Helpful things to include:
- Which page or feature your message is about.
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- A description of what you expected versus what happened.
A note on privacy
Please don't email us photos of yourself — you never need to share an image to use this tool, and we don't want to receive any. The measurement runs entirely on your device. See our privacy policy for how that works.
Common questions
Many questions are already answered in our guides: how to measure your PD, what PD is, and why opticians often won't give it to you.
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