RICHARD J NASON
Optometry in Guilford, CT
License number
Massachusetts 3231
Issued Date
Jul 24, 1985
Expiration Date
Jan 31, 2007
Type
Optometrist
Address
Address
Guilford, CT 06437
Professional information
Progressive Addition Lenses With Adjusted Image Magnification
US Patent:
7275822, Oct 2, 2007
Filed:
Mar 18, 2004
Appl. No.:
10/803716
Inventors:
Amitava Gupta - Roanoke VA, US
Timothy R. Poling - Fincastle VA, US
Richard J. Nason - Guilford CT, US
Timothy R. Poling - Fincastle VA, US
Richard J. Nason - Guilford CT, US
Assignee:
Essilor International (Compagnie Generale d'Optique) - Charenton le Pont
International Classification:
G02C 7/02, G02C 7/06
US Classification:
351177, 351159, 351169
Abstract:
The invention provides a method for increasing the magnification of a lens without changing the dioptric power. The method of the invention uses a measurement or an estimate of an individual's retinal function in designing the lens to provide the magnification needed by the individual without increasing the dioptric power of the individual's lens.