3-7
3.2.2 MEASURING MULTI-FOCAL LENSES (MULTI-FOCAL MODE)
The MULTI-FOCAL mode is used for measuring both progressive
addition lenses and bi-focal lenses.
• Refer to the Section 5.1 "Troubleshooting guide" for
details of measuring in the MULTI-FOCAL mode.
• In AUTO mode, the add reading is automatically held.
Press the HOLD button for approximately 1 second
without placing a lens on the nose piece to switch the
mode between AUTO and MANUAL.
• Thrusting a lens onto the nose piece or moving a lens
quickly may result in damage to the lens.
a) Measuring Progressive Addition Lenses
1) Change to Multi-Focal mode ( ) by pressing the MODE button.
Single Vision mode (
), Multi-focal mode ( ), and Contact
Lens mode (
) are set consecutively each time the MODE button
is pressed.
MODE
CYL
STEP
R
SPH CYL AXIS ADD
AUTO
2) Locate the progressive (near) area.
a. Place the right lens on the nose piece so that the progressive area is
positioned away from you, as illustrated on p.3-3. The progressive
channel normally starts at the middle of the lens (vertically) and
extends downward.
3.2 MEASURING METHODS
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