Accommodating intraocular lens having T-shaped haptics

Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Eye prosthesis – Intraocular lens

Reexamination Certificate

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Reexamination Certificate

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07048760

ABSTRACT:
An accommodating intraocular lens having anteriorly and posteriorly movable extended portions, such as T-shaped haptics, extending from a central optic to be implanted within a natural capsular bag of a human eye with the extended portions positioned between an anterior capsular rim and a posterior capsule of the bag, whereby during a post-operative healing period, fibrosis occurs about the extended portions to fixate the lens in the bag in a manner such that subsequent natural contraction and relaxation of the ciliary muscle moves the optic to provide vision accommodation of increased accommodation amplitude and diopters of accommodation.

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Archimede Busacca, Ciliary Muscle Physiology Studied by Gonioscopy, Annals of Oculistics, vol. CLXXXVIII, Jan. 1955 (English Translation).
Archimede Busacca, La Physiologid Du Muscle Ciliaire Etudiee par la Gonioscopie, Annales D'Oculistique, vol. CLXXXVIII, 1st Livraison, Janvier 1955 (French Translation).
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J. Stuart Cumming, M.D., Accomodating Intra-Ocular Lens Development & Clinical Results, PowerPoint presentation 1999-2000.

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