The chin rest can be moved by pushing the buttons on the front panel. No need to reach out to the chin rest for manual adjustment.
Fogging is applied automatically for each measurement for more accurate results.
Fogging is applied as needed for consecutive measurements.
The mode is used to measure cataract or pseudophakic eyes.
Measurement can be done easily by moving the two cursors on the display to the boundary of Cornea or Pupil.
This is useful for deciding the diameter of a contact lens and for other contact lens fitting practices.