11 Mea
s
urement Procedure
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Instruction Manual Easyfield® (GA/15000/XXXX/EN 1219 Rev01)
11.1.3
In
s
erting the Corrective Len
s
Place the required trial lens with the previously determined corrective
power into the lens holder included in the delivery.
Fasten the lens holder to the perimeter cone of the Easyfield® perimeter
using the available mounts.
11.1.4
Preparing the Patient
Check that the forehead and chin rest and the hand held button have
been cleaned and disinfect before each examination.
Make sure that the examination takes place in a quiet atmosphere and
that the patient is not distracted.
Explain the examination procedure to the patient.
Give the patient the hand-held button for the unit and ask him to hold
it in one hand.
Ask the patient to comfortably take a seat in front of the unit. The
patient should sit as upright as possible.
The eye shields allow to perform the examination without an eye patch.
Warning
Risk or personal injury during service or maintenance works
If you use the device during service or maintenance works (cleaning, dis-
infection and maintenance) personal injury may occur.
Do not use the device during service or maintenance works.
Fig. 11-3: Insert corrective lens holder with corrective lens.
