The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 18, 2004
Filed:
Jul. 30, 2002
Luis Antonio Ruiz, Santafe de Bogota, D.C., CO;
Eduardo Matallana, Santafe de Bogota, D.C., CO;
Other;
Abstract
A system and method particularly suited for controlled ablation of the cornea, using ultraviolet laser radiation, with the cornea sculpturing action resulting from a computer driven digital programmed distribution of excimer flux density across a controllable liquid crystal matrix mask to achieve a desired volume and shape of ablation for the correction of the curvature of the cornea. The optical mask, in one embodiment, is based on an arrayable matrix of individual optical pixel cells with two optical states between fully transparent to fully opaque or mirror like to the UV light. The system provides a highly versatile system for correcting known corneal defects in both regular and irregular corneas by simply executing computer customized patterns in very short time and with great precision and detail.