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US 2003/0171807 A1Published application
Intraocular lens
AssigneeBausch & Lomb Incorporated
InventorsHai-Minh Pham, Tuan Anh Nguyen
Life of this patent
Estimating the term…
Abstract
An intraocular lens for inhibiting posterior capsular opacification, or secondary cataract, includes an optic having a periphery provided with at least two sharp edges which lie radially spaced from each other with respect to the optical axis of the lens optic.
Claims4
An intraocular lens for implanting in a human eye, comprising:
- a) a lens optic having opposite anterior and posterior surfaces defined by an optic periphery and an optical axis extending from said anterior surface to said posterior surface;
- and
- b) at least two edges formed in said optic periphery wherein, with respect to said optical axis, said second edge is located radially outwardly of said first edge, said first edge being sharp and defined by said optic posterior surface and a first peripheral wall extending about the entire optic periphery and lying substantially parallel to said optical axis.
Dependencies are inferred from the claim text.