CA159395A - Multi-focal lens - Google Patents

Multi-focal lens

Info

Publication number
CA159395A
CA159395A CA000159395A CA159395DA CA159395A CA 159395 A CA159395 A CA 159395A CA 000159395 A CA000159395 A CA 000159395A CA 159395D A CA159395D A CA 159395DA CA 159395 A CA159395 A CA 159395A
Authority
CA
Canada
Prior art keywords
focal lens
focal
lens
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA000159395A
Other languages
French (fr)
Inventor
Henry O. Gowlland
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA159395A publication Critical patent/CA159395A/en
Expired legal-status Critical Current

Links

CA000159395A 1914-04-08 1914-04-08 Multi-focal lens Expired CA159395A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA159395T 1914-04-08

Publications (1)

Publication Number Publication Date
CA159395A true CA159395A (en) 1914-12-08

Family

ID=45279099

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000159395A Expired CA159395A (en) 1914-04-08 1914-04-08 Multi-focal lens

Country Status (1)

Country Link
CA (1) CA159395A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5225858A (en) * 1987-06-01 1993-07-06 Valdemar Portney Multifocal ophthalmic lens
US5702440A (en) * 1996-01-26 1997-12-30 Allergan Multifocal ophthalmic lens for dim-lighting conditions
US5864378A (en) * 1996-05-21 1999-01-26 Allergan Enhanced monofocal IOL or contact lens
US5877839A (en) * 1987-06-01 1999-03-02 Portney; Valdemar Multifocal ophthalmic lens
US6210005B1 (en) 1999-02-04 2001-04-03 Valdemar Portney Multifocal ophthalmic lens with reduced halo size

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5225858A (en) * 1987-06-01 1993-07-06 Valdemar Portney Multifocal ophthalmic lens
US5877839A (en) * 1987-06-01 1999-03-02 Portney; Valdemar Multifocal ophthalmic lens
US6186625B1 (en) 1987-06-01 2001-02-13 Valdemar Portney Multifocal ophthalmic lens
US6409340B1 (en) 1987-06-01 2002-06-25 Valdemar Portney Multifocal ophthalmic lens
US6527389B2 (en) 1987-06-01 2003-03-04 Advanced Medical Optics, Inc. Multifocal ophthalmic lens
US6814439B2 (en) 1987-06-01 2004-11-09 Valdemar Portney Multifocal ophthalmic lens
US5702440A (en) * 1996-01-26 1997-12-30 Allergan Multifocal ophthalmic lens for dim-lighting conditions
US6221105B1 (en) 1996-01-26 2001-04-24 Allergan Multifocal ophthalmic lens
US6576011B2 (en) 1996-01-26 2003-06-10 Advanced Medical Optics, Inc. Multifocal ophthalmic lens
US5864378A (en) * 1996-05-21 1999-01-26 Allergan Enhanced monofocal IOL or contact lens
US6126286A (en) * 1996-05-21 2000-10-03 Allergan Enhanced monofocal ophthalmic lens
US6210005B1 (en) 1999-02-04 2001-04-03 Valdemar Portney Multifocal ophthalmic lens with reduced halo size

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