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8.Measurement
8.1. Refractive power measurement mode (REF mode)
This is the mode that measures refractive power by itself.
- REF mode selection: Set in a way that the measurement mode indicator section
on the screen turns into “REF” mode.
Right side measurement Left side measurement
Measurement mode indication
[REF mode screen]
8.1.1. Manual measurement mode
! NOTE
The manual measurement mode has a minimum limit set to allow measurement even in
unusual situations. Therefore, data errors may occur depending on the user's skill level. In
general, automatic measurement mode is recommended.