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Working Distance

  • BUYER - Stand in a relaxed, ergonomically optimal position.
  • BUYER - Bend arms at approximately 90 degrees - elbows close to your body.
  • BUYER - GALILEAN = Tilt head down looking at the "target", ERGOPRISM = Head in neutral, relaxed posture looking straight ahead (level).
  • HELPER - Measure the distance from the corner of the BUYER’s eye to the "target".
     
    Examples of measuring Working Distance:

IPD Photo

  • HELPER - Turn the FLASH setting ON.
  • HELPER - Position the camera at BUYER's clinical working distance LEVEL with their eyes.
  • BUYER - Hold a ruler across the eyebrows and look directly at the camera.
  • HELPER - Take the photo, verify there is 1 bright dot in each pupil.
     
    Example of a good IPD photo:

Working Distance

  • BUYER - Stand in a relaxed, ergonomically optimal position.
  • BUYER - Bend arms at approximately 90 degrees - elbows close to your body.
  • BUYER - GALILEAN = Tilt head down looking at the "target", ERGOPRISM = Head in neutral, relaxed posture looking straight ahead (level).
  • HELPER - Measure the distance from the corner of the BUYER’s eye to the "target".

IPD Photo

  • HELPER - Turn the FLASH setting ON.
  • HELPER - Position the camera at BUYER's clinical working distance LEVEL with their eyes.
  • BUYER - Hold a ruler across the eyebrows and look directly at the camera.
  • HELPER - Take the photo, verify there is 1 bright dot in each pupil.