Environmental conditions

• Find a good lighting place to setup
• Avoid under or over exposed place
• Avoid moving background

Accessories

• Prepare A SUPPORT TO LEAN YOUR PHONE ON TO, in order to properly place down your smartphone
• Have A CARD IN STANDARD FORMAT that can be easy visible on your face
  • This is important to scale the scan and get the PD accurate

User placement

• Stand between 70 and 80 cm of your device to obtain the best accuracy
• Place down the device on the support in order to be fully stable.
• Make sure your ears are visible
• You can keep your eyeglasses on
• If lighting conditions provide too many reflection, try without glasses
• Once requested, place the card, flat and centered over your mouth

Device

• Make sure your OS is up-to-date
• Make sure your browser is up-to-date
• Make sure your device have a front-camera, with as minimum HD definition.
• Make sure your browser or OS setup allow camera access

Network

• To enhance experience we recommand to have a good and stable internet access
• Your network latency or bandwidth could impact the experience

TUTORIAL

or do the PD measure manual with a ruler (link)