Iris recognition and tracking for optical treatment
OwnerKristian Hohla, Thomas Neuhann +2inventors
InventorsKristian Hohla, Thomas Neuhann, Gerhard Youssefi, Roland Toennies
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Abstract
A system and method are provided in which an iris or eye image is taken during a refractive diagnostic analysis. The image is employed for aligning data from the analysis with data from other refractive analysis instruments, as well as aligning a refractive surgical tool, such as a laser, with the eye for treatment. Further, the stored iris image is compared with the patient's iris before treatment, verifying that the correct eye is to be treated with a developed treatment pattern. A variety of refractive instruments can be used, such as corneal topography systems and wavefront aberration systems.
Claims30
A method for alignment for refractive treatment of a patient's eye, comprising:
- making a diagnostic measurement of the patient's eye;
- acquiring a first image including an iris image of the patient's eye;
- determining a spatial relationship between the first image and the diagnostic measurement;
- developing the refractive treatment for the patient's eye based upon the diagnostic measurement;
- acquiring a second image of the patient's eye;
- and
- aligning the second image, including the determined spatial relationship with the first image in preparation for performing the refractive treatment.
Dependencies are inferred from the claim text.