PLM-8000 Operation Manual
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(5) Find the Far distance portion of the lens as shown in the following figure. Mostly the
optical center of lenses is the Far distance portion of the lenses.
(Bifocal Lens: Distance portion Near portion)
(Trifocal Lens: Distance portion Intermediate portion Near portion)
(6) After finding the Far distance portion of the lens, pull down the lens then ADD value
will show up if the near distance portion of the lens is found.
(7) Press the read button to store the measured value. Press the Print button to print out
the measured value.
5.4 Measuring contact lenses
(1) Connect the power cable.
(2) Turn ON the power.
(3) Replace the nosepiece with the nosepiece for contact lens.
(4) Place the lenses on the nosepiece.
① Press the LR touch button to specify the left-eye lens or
the right-eye lens as necessary.
② Place the lens on the nosepiece with the convex side up.
(5) Adjust the focus.
(6) Press the read button to store the measured value.
(7) Press the Print button to print out the measured value.
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