Essilor Medica 700, User Manual

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Wave Analyzer Medica 700 User Guide
48
Overview of the Software
unaberrated wavefront.
Also, if the aberrated wavefront curves in more than the unaberrated wavefront, the OPD is
positive. Therefore, a negative focal shift will introduce a positive aberration.
The WaveFront Error (WFE) is defined as the difference between the ideal unaberrated
wavefronts and the aberrated wavefronts. Essentially, WFE represents the required correction
for achieving unaberrated vision.
OPD and WFE modes relate in the following way:
OPD(x,y)= -WFE(x,y)
The chosen mode will be marked on each map in the lower right corner of the map.
No Description
1 Photopic /Mesopic selector
Select Day to display maps for daytime light conditions or Night to display maps for
nighttime light conditions.
2 Note
Select this to view an existing note, or add a note in the patient file. For more
information go to
Adding a Patient .
3 Name and date
Patient's name and date and time of the measurement
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