LASIK CORNEAL FLAP CUTTING PATTERNS FOR BUBBLE MANAGEMENT

An ophthalmic surgical laser system that employs a resonant scanner, scan line rotator, and XY- and Z-scanners, the system configured for forming a corneal flap in a patient's eye with improved bubble management during each step of the flap creation process. A pocket cut is formed first below b...

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Bibliographische Detailangaben
Hauptverfasser:	NELSON, Jesse, GAO, Wenzhi, GRAY, Paul, FU, Hong, SCHWAM, Brian, VILLANUEVA, Cynthia, VOORHEES, Andrew, RAHAMAN, Mohammad Saidur, HILL, James, MEHTA-HURT, Deepali, LARON, Michal
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PROSTHESES TREATMENT OR PROTECTION OF EYES OR EARS
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Beschreibung
Zusammenfassung:	An ophthalmic surgical laser system that employs a resonant scanner, scan line rotator, and XY- and Z-scanners, the system configured for forming a corneal flap in a patient's eye with improved bubble management during each step of the flap creation process. A pocket cut is formed first below bed level, followed by the bed connected to the pocket cut, then by a side cut extending from the bed to the anterior corneal surface. The pocket cut includes a pocket region located below the bed level and a ramp region connecting the pocket region to the bed. The bed is formed by a bed cut, including multiple overlapping parallel raster scan passes, and a ring cut. The side cut is formed by multiple side-cut layers at different depths which are joined together. All cuts are formed by scanning a laser scan line generated by the resonant scanner.