Patent · US Expired

System, apparatus, and method for correcting vision using electro-active spectacles

US6517203B1 · kind B1 · utility

185Cited by

84References

69Claims

0Family size

Assignee

e-Vision, LLC · US

Inventors

Ronald D. Blum · Roanoke, US
Dwight P. Dustin · Laguna Niguel, US

Key dates

Filing date	Jun 23, 2000
Grant date	Feb 11, 2003
Priority date	—
Expiry date	Jun 23, 2020

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K2039/505
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

An electro-active spectacle lens is disclosed. The disclosed lens includes a first lens optic. The disclosed lens also includes a first electro-active zone positioned in a cooperative relationship with the first lens optic. In certain embodiments, the electro-active lens includes a range finder positioned in a cooperative relationship with the electro-active lens.

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