Patent · US Expired

Multifocal ophthalmic lenses

US6986578B2 · kind B2 · utility

109Cited by

11References

23Claims

0Family size

Assignee

Johnson & Johnson Vision Care, Inc. · US

Inventor

Larry G. Jones · Winter Garden, US

Key dates

Filing date	Jan 30, 2003
Grant date	Jan 17, 2006
Priority date	—
Expiry date	Jan 30, 2023

Classification

Technology area (CPC G)Physics
CPC primaryG02C2202/22
WIPO fieldOptics
WIPO sectorInstruments

Abstract

The invention provides lenses for correcting presbyopia in which the near vision segments interfere at least about 50% less with distance vision than do the near vision segments in conventional contact lenses.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.