
POLARIS | IFU312EN00
INSTRUCTIONS FOR USE
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3.1.2
TOOLS KIT
The tools kit includes three films with three different images:
-
fine grid
-
negative grid
-
Placido's disk
The film, once inserted in the lighting head, enables to analyze the tear
film by means of the reflection visible on the patient's eye surface.
The image created by the fine or negative grids, allows to evaluate the
break up time, means the tear film break up time. The image created
by the Placido's disk allows to evaluate the tear film break distortion or
irregularity.
Fig 6 - Fine grid
Fig 7 - Placido's disk
Fig 8 - Negative grid