Variable focus lens

Details Variable focus lens Variable focus lens

2007-12-25

2007-12-25

Sugarman, Scott J. (Department: 2873)

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

C351S16000R, C359S665000, C623S006130, C623S006270

Reexamination Certificate

active

10598258

ABSTRACT:
A variable focus lens for an eye comprising a transparent rear wall, a transparent front wall, a cavity formed between the transparent front wall and the transparent rear wall, first and second immiscible fluids of differing refractive index contained within said cavity, and electrodes to which a voltage is able to be applied to change the curvature of a fluid meniscus between the two fluids. At least the rear wall of the lens includes a biocompatible material, which material provides for biocompatibility of the lens with the eye.

REFERENCES:
patent: 5712721 (1998-01-01), Large et al.
patent: 6369954 (2002-04-01), Berge et al.
patent: WO0058763 (2000-10-01), None
patent: WO2004050334 (2004-06-01), None
ISR, International Publication No. WO200088388; Pub Date Sep. 22, 2005.
B. Berge et al; “Variable Focal Lens Controlled by an External Voltage: An Application of Eletrowetting”;Laboratoire De Spectrometrie Physique (UMR Universite Joseph Fourier-CNRS, 5588) B.P. 87, Eur. Phys. J.E. 3 159-163 (2000).
Gleb Vdovin et al; “On the Possibility of Intraocular Adaptive Optics”; Optics Express, vol. 11, No. 7, Apr. 7, 2003, pp. 810-817.

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