TW200509855A - Method and apparatus for correcting vision using an electro-active phoropter - Google Patents

Method and apparatus for correcting vision using an electro-active phoropter

Info

Publication number
TW200509855A
TW200509855A TW093102802A TW93102802A TW200509855A TW 200509855 A TW200509855 A TW 200509855A TW 093102802 A TW093102802 A TW 093102802A TW 93102802 A TW93102802 A TW 93102802A TW 200509855 A TW200509855 A TW 200509855A
Authority
TW
Taiwan
Prior art keywords
electro
optical power
phoropter
active
lenses
Prior art date
Application number
TW093102802A
Other languages
Chinese (zh)
Other versions
TWI329507B (en
Inventor
Ronald D Blum
William Kokonaski
Dwight P Duston
Original Assignee
E Vision Llc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US10/626,973 external-priority patent/US6918670B2/en
Application filed by E Vision Llc filed Critical E Vision Llc
Publication of TW200509855A publication Critical patent/TW200509855A/en
Application granted granted Critical
Publication of TWI329507B publication Critical patent/TWI329507B/en

Links

Abstract

An electro-active phoropter and a method of using the electro-active phoropter to measure a patient's vision prescription is disclosed. The electro-active phoropter includes a series of individually addressable electro-active lenses. The lenses have either a positive or negative optical power when an electrical potential is applied across the lens and a neutral optical power when no electrical potential is applied across the lens. Each lens provides an optical power that is part of a net optical power of the series of lenses when a patient views through the phoropter. The optical power of the phoropter can be incrementally adjusted by changing the distribution of the electrical potential across the different lenses of the series to provide increasing or decreasing optical power until a patient achieves a desired level of clarity and a vision prescription has been determined.
TW093102802A 2003-02-06 2004-02-06 Method and apparatus for correcting vision using an electro-active phoropter TWI329507B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US44617303P 2003-02-06 2003-02-06
US10/626,973 US6918670B2 (en) 1999-07-02 2003-07-25 System, apparatus, and method for correcting vision using an electro-active lens

Publications (2)

Publication Number Publication Date
TW200509855A true TW200509855A (en) 2005-03-16
TWI329507B TWI329507B (en) 2010-09-01

Family

ID=36140004

Family Applications (2)

Application Number Title Priority Date Filing Date
TW093102802A TWI329507B (en) 2003-02-06 2004-02-06 Method and apparatus for correcting vision using an electro-active phoropter
TW99109008A TWI355920B (en) 2003-02-06 2004-02-06 Method and apparatus for correcting vision using a

Family Applications After (1)

Application Number Title Priority Date Filing Date
TW99109008A TWI355920B (en) 2003-02-06 2004-02-06 Method and apparatus for correcting vision using a

Country Status (3)

Country Link
CN (1) CN100476511C (en)
AR (1) AR043119A1 (en)
TW (2) TWI329507B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2656267A1 (en) * 2006-06-23 2008-01-03 Pixeloptics, Inc. Electronic adapter for electro-active spectacle lenses
US20150160474A1 (en) * 2013-12-05 2015-06-11 International Business Machines Corporation Corrective lens prescription adaptation system for personalized optometry
FR3019458B1 (en) * 2014-04-08 2016-04-22 Essilor Int REFRACTOR
EP3612889A1 (en) * 2017-04-20 2020-02-26 Essilor International Optical device adapted to be worn by a wearer

Also Published As

Publication number Publication date
AR043119A1 (en) 2005-07-20
TWI355920B (en) 2012-01-11
TWI329507B (en) 2010-09-01
CN1745327A (en) 2006-03-08
CN100476511C (en) 2009-04-08
TW201029623A (en) 2010-08-16

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees