Correction of presbyopia using adaptive optics, wavefront...

A - Human Necessities – 61 – B

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A61B 3/00 (2006.01) A61B 3/10 (2006.01)

Patent

CA 2570724

Devices, systems, and methods measure, diagnose, and/or treat one or both eyes of a patient. Adaptive optics systems (such as those having a deformable mirror) may be configured to an aspherical or multi-spherical presbyopia- mitigating prescriptive shape to allow objective and/or subjective measurements of a candidate prescription. A plurality of viewing distances allow subjective and/or objective evaluations of performance using a light spot or a test viewing image. Measurements of aberrations at selected viewing conditions (including distances and/or brightness) with correlating pupil sizes may also be provided. Wavefront measurement systems and methods may help position and isolate the eye from ambient light.

L'invention concerne des dispositifs, des systèmes et des procédés de mesure, de diagnostic et/ou de traitement d'un oeil ou des deux yeux d'un patient. Des systèmes d'optique adaptative (tels que ceux à miroir déformable) peuvent être configurés pour répondre à une forme prescriptive atténuant la presbytie asphérique ou multisphérique, de manière à permettre des mesures objectives et/ou subjectives d'une prescription pour un candidat. Une pluralité de distances de visualisation permettent des évaluations subjectives et/ou objectives de performance, en utilisant un spot lumineux ou une image de visualisation test. Des mesures d'aberrations en des conditions de visualisation sélectionnées ( y compris distances et/ou luminosité) avec corrélation des dimensions de pupilles peuvent également être effectuées. Des systèmes et des procédés de mesure de front d'onde peuvent contribuer à positionner et à isoler l'oeil d'une lumière ambiante.

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