Technolas Victus, User Manual

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Parameter dialog box Definition
‘Energy [µJ]:’ Energy level of each single pulse when cutting
the rim.
‘Spot spacing [µm]:’ Distance between adjacent spots on a line
when cutting the rim.
‘Line spacing [µm]:’ Distance between spots of adjacent lines
when cutting the rim.
‘Side cut angle [°]:’ Angle between the corneal surface tangent
and the rim cut. A side cut angle below 90°
leads to larger anterior than posterior diam‐
eter.
‘Top bonus [µm]:’ Extension of the rim cut at the anterior side of
the cornea to ensure exit of laser cut out of the
eye.
‘Arc length [°]:’ Arc length of rim cut, normally 360°.
‘Arc center position [°]:’ Central position of rim cut in case it is not 360°.
‘Posterior diameter [mm]:’ The diameter of the PKP at the posterior sur‐
face of the cornea resulting from entered
pachymetry, diameter and side cut angle.
8.5.7 Parameters for lamellar keratoplasty
Precondition:
n
A lamellar keratoplasty procedure must be selected (Fig. 83).
For general information about how to view or specify parameter values refer to
Ä Chapter 8.5.1 ‘Parameters for capsulotomy’ on page 8 - 36. Parameter-specific
information are described below.
Fig. 83: Lamellar keratoplasty dialog boxes
‘Rim’ dialog box
Fig. 82: ‘Rim’ dialog box
SOFTWARE
8
SKU: 70005780TPV * Version 6 * UM-100010770 GB
8 - 51
TPV Controlled Document / Status: Effective / Effective Date: Jun 14, 2017 2:38:46 PM
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