System and method for evaluating a secondary lasik treatment

Details System and method for evaluating a secondary lasik treatment System and method for evaluating a secondary lasik treatment

A - Human Necessities

61

B

A61B 3/10 (2006.01) A61B 3/103 (2006.01) A61B 3/107 (2006.01) A61F 9/01 (2006.01)

Patent

CA 2476333

A method and system are disclosed for evaluating the safety of a prospective secondary LASIK treatment to correct a person's vision. The difficulties with making an accurate, direct measurement of corneal thickness of a cornea having a pre-existing keratectomy are overcome by using pre-LASIK topography and pachymetry measurements, and per- and post-LASIK wavefront measurements to determine post-LASIK corneal thickness, and thus the suitability and safety of a prospective secondary LASIK procedure. A system embodiment (200) includes diagnostic (210) and computing (220) platforms for generating and analyzing data, and a device readable medium (250) for storing and transferring an instruction to a laser ablation system (290).

L'invention concerne une méthode et un système destinés à évaluer l'innocuité d'un traitement LASIK secondaire prospectif pour corriger la vision d'une personne. Les difficultés dans la réalisation d'une mesure directe précise de l'épaisseur cornéenne d'une cornée présentant une kératectomie préexistante sont supprimées par utilisation de mesures pachymétriques et topographiques pré-LASIK et de mesures de fronts d'ondes pré-LASIK et post-LASIK pour déterminer l'épaisseur cornéenne post-LASIK, et, partant, la nécessité et l'innocuité d'une opération LASIK secondaire prospective. Un mode de réalisation du système (200) comprend des plateformes de diagnostic (210) et de calcul (220) permettant de générer et d'analyser des données, ainsi qu'un support lisible par machine (250) destiné à stocker une instruction et à la transférer à un système d'ablation (290).

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