AMO Catalys OptiMedica - Page 166

Chapter 4 CATALYS® System Procedure
Page 166 of 314 Part Number: 0160-6411, Rev A, 02/2019
Software Release: cOS 5.00
Figure 4.5 Safety Margin for Lens Fragmentation
Cross‐sectional view highlighting geometric relationships of lens radius (shown in red); lens
fragmentation pattern (shown in orange); and respective safety margins for the iris and anterior
and posterior lens radii.
Table 4.3 User-adjustable Lens Fragmentation Parameters
Table 4.4 Lens Fragmentation Parameters and Safety Margins
Feature Default Range Step Size Units
Diameter
N/A
a
a.Default diameter is defined by available pupil diameter (less 2 x safety margin).
3.0-10.0 0.5 mm
Horizontal Spot Spacing 10 5-25 2.5 µm
Vertical Spot Spacing 40 10-100 10 µm
Pulse Energy, Anterior
b
b.Pulse energy to vary stepwise (linear) from posterior to anterior, if different.
81-100.5µJ
Pulse Energy, Posterior
b
10 1-10 0.5 µJ
Seg-Soft Spacing 200 100-1500 100 µm
Grid Spacing 350 100-2000 100
µm
Safety Margins
Feature Default Range Step Size Units
Iris 500 N/A N/A µm
Anterior
a
a.Safety margins follow lens surface contours.
500 200-1000 100 µm
Posterior
a
500 500-1000 100 µm
Anterior Lens Radius
Posterior Safety Margin*
User-adjustable from
500 - 1000 µm
Posterior Lens Radius
Anterior Safety Margin*
200 - 1000 µm
Central Lens Thickness
*Safety Margins Follow Lens Surface Contours
Iris Safety Margin
500 µm