AMO Catalys OptiMedica - Page 168

Chapter 4 CATALYS® System Procedure
Page 168 of 314 Part Number: 0160-6411, Rev A, 02/2019
Software Release: cOS 5.00
Figure 4.7 Arcuate Incision Characteristics
Side cut angle, uncut posterior, and uncut anterior are user‐adjustable. Cornea thickness is
measured at the projected intersection of the incision with the cornea anterior/posterior,
measured at 90° to anterior/posterior corneal surface regardless of what side cut angle is chosen.
Optical Zone
Center Line
(Pupil, Limbus, or Custom Centering)
Cornea Anterior Surface
Cornea Posterior Surface
Side Cut Angle
Uncut Posterior
Bowman’s
Layer
Descemet’s Membrane
(a) Cross-section View of Anterior Penetrating Incision
Optical Zone
Center Line
(Pupil, Limbus, or Custom Centering)
Cornea Posterior Surface
Side Cut Angle
Uncut Posterior
Bowman’s Layer
Descemet’s Membrane
Uncut Anterior
Cornea Thickness
(at anterior intersection)
Cornea Thickness
(at posterior intersection)
(b) Cross-section View of Intrastromal Incision
Cornea Anterior Surface
Cornea Thickness
(at posterior intersection)