Customized corneal flap

Details Customized corneal flap Customized corneal flap

2005-07-26

2010-02-16

Farah, Ahmed M (Department: 3769)

Surgery

Instruments

Light application

C606S004000, C128S898000

Reexamination Certificate

active

07662149

ABSTRACT:
A method and system for customizing a flap created from a transparent material compensates for aberrations, particularly higher order aberrations, which are pre-existing or otherwise induced during creation of the flap. Before flap creation, the distorted wavefront of the transparent material is determined and the topology of the transparent material is defined in order to predict contributions likely to be encountered or induced by the stress distribution during creation of the flap. In view of the topology of the transparent material, a prototypic dissection path based on the distorted wavefront is refined to establish a refined dissection path. As a result, the flap is created along the refined dissection path to correct and minimize or eliminate the formation of higher order aberrations.

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