- rear or front camera can be used for taking a picture
- upload picture from the gallery
- millimeter (mm) units
- special rulers to mark pupils and a reference card
- Double Tap or Pinch zoom for the best experience and accurate alignment
- auxiliary lines and points for segment height (bifocal), monocular (center to bridge) and frame measurements
- monocular measurements (O.D and O.S.)
- call app from other apps to get measurements results http://goo.gl/6f8EaI
How to use:
1. Take or load a face picture with a reference card (see guide in the app how to hold the card properly)
2. Mark eye pupils with the ruler (white)
3. Mark the card length with the card template (green)
4. See PD result
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