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US 5,964,802 AGranted
Adjustable intraocular lens
AssigneeQuantum Vision, Inc.
InventorsRobert Anello, Ali Amiry
Life of this patent
Estimating the term…
Abstract
Improved adjustable intraocular lenses are disclosed, in which the optic(s) can be rotated post-operatively using manual methods; controlled pulses of laser radiation or micromotors to achieve improved focus and astigmatic correction.
Claims4
An intraocular lens assembly comprising:
- a. a toroidal ring having a substantially circular central aperture;
- b. a groove in said toroidal ring around said central aperture in the plane of said toroidal ring;
- c. an optic having a circular shape with an exterior periphery and a generally sphero-cylindrical conformation suitable for correction of astigmatism, sized to fit within said central aperture;
- d. a flange surrounding said exterior periphery of said optic and extending outward therefrom to operatively engage said groove;
- e. at least one curved, flexible haptic affixed to said toroidal ring and extending outwardly therefrom to provide for retention of said toroidal ring in the eye;
- and
- f. an attachment member affixed to said flange to enable manual rotation of said optic;
- whereby said optic can be rotated within said toroidal ring to alter correction of astigmatism.
5 more elements
Dependencies are inferred from the claim text.