Power adjustment of adjustable lens

Details Power adjustment of adjustable lens Power adjustment of adjustable lens

A - Human Necessities

61

F

A61F 9/013 (2006.01) A61B 3/10 (2006.01) A61B 3/103 (2006.01) A61F 9/08 (2006.01) G01N 21/41 (2006.01) G02B 15/00 (2006.01) A61F 9/00 (2006.01) A61F 9/008 (2006.01)

Patent

CA 2422404

A method and instrument to irradiate a light adjustable lens, for example, inside a human eye (30), with an appropriate amount of radiation in an appropriate intensity pattern by first measuring aberrations in the optical system containing the lens; aligning a source (12) of the modifying radiation so as to impinge the radiation onto the lens in a pattern that will null the aberrations. The quantity of the impinging radiation is controlled by controlling the intensity and duration of the irradiation. The pattern is controlled and monitored while the lens is irradiated.

L'invention concerne un procédé et un instrument permettant d'irradier un objectif de lumière réglable, par exemple, à l'intérieur d'un oeil humain (30), en utilisant une quantité adéquate de rayonnement et selon un motif d'intensité approprié, en mesurant, dans un premier temps, les imperfections présentes dans le système optique contenant l'objectif, puis en alignant une source (12) de rayonnement modificatrice, de manière à bombarder l'objectif au moyen du rayonnement, selon un motif qui annulera les imperfections. La quantité de rayonnement de bombardement est contrôlée grâce au contrôle de l'intensité et de la durée du rayonnement. On contrôlera et surveillera le motif tout en irradiant l'objectif.

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