Essilor MYOPIA EXPERT 700, Руководство пользователя

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78
14.4 H
EIGHT
“Height” environment allows the user to compare the patient’s cornea with a reference surface (
Fig.44):
Fig. 44
In the right column, it is possible to:

Choose between the
“Absolute”
and
“Normalized”
scale, with the possibility to change the
normalized scale step.

Choose the
“Best Fit Diameter”
and select the best fitting diameter in the range from 3mm to 8mm.

Choose the
“Reference Surface”
and select the following surfaces:
1. Spherical: the user can change the
“Radius Flat”
.
2. Aspherical: the user can change the
“Radius Flat” and “ Asphericity”
.
3. Asphero
–
Toric
: the user can change the “Radius Flat”, “Toricity” and “Asphericity”.
4. Differential : the user can select the image of another exam of the same patient to compare it
with the current exam (Fig.45).
By tapping on any point of the map, the software will provide the following information:

r
: the distance of the point from the center of the image in polar coordinates.

lb
: the angle of the distance r.

Height
: the distance between the patient’s cornea point and the reference surface point.
In the altimetric mode, it is still
possible to see the “K”, “I”, “KC” and “P” tabs
.