HK1027779A1 - Gas permeable hard contact lens and method of producing it - Google Patents

Gas permeable hard contact lens and method of producing it

Info

Publication number
HK1027779A1
HK1027779A1 HK00106982A HK00106982A HK1027779A1 HK 1027779 A1 HK1027779 A1 HK 1027779A1 HK 00106982 A HK00106982 A HK 00106982A HK 00106982 A HK00106982 A HK 00106982A HK 1027779 A1 HK1027779 A1 HK 1027779A1
Authority
HK
Hong Kong
Prior art keywords
producing
contact lens
gas permeable
hard contact
permeable hard
Prior art date
Application number
HK00106982A
Other languages
English (en)
Inventor
Kikuo Mitomo
Tohru Shirafuji
Hideo Suda
Teruhisa Shimizu
Yuichi Yokoyama
Original Assignee
Hoya Healthcare Corp
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 Hoya Healthcare Corp filed Critical Hoya Healthcare Corp
Publication of HK1027779A1 publication Critical patent/HK1027779A1/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00932—Combined cutting and grinding thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2793/00—Shaping techniques involving a cutting or machining operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
    • B29C43/24—Calendering

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • Eyeglasses (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Macromonomer-Based Addition Polymer (AREA)
HK00106982A 1998-05-08 2000-11-02 Gas permeable hard contact lens and method of producing it HK1027779A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP12645898A JP4087947B2 (ja) 1998-05-08 1998-05-08 ガス透過型ハードコンタクトレンズの製造方法
PCT/JP1999/002319 WO1999058318A1 (en) 1998-05-08 1999-04-30 Gas permeable hard contact lens and method of producing it

Publications (1)

Publication Number Publication Date
HK1027779A1 true HK1027779A1 (en) 2001-01-23

Family

ID=14935731

Family Applications (1)

Application Number Title Priority Date Filing Date
HK00106982A HK1027779A1 (en) 1998-05-08 2000-11-02 Gas permeable hard contact lens and method of producing it

Country Status (8)

Country Link
US (1) US6352343B1 (xx)
EP (1) EP1002636B1 (xx)
JP (1) JP4087947B2 (xx)
KR (1) KR100570950B1 (xx)
DE (1) DE69932581T2 (xx)
HK (1) HK1027779A1 (xx)
TR (1) TR200000069T1 (xx)
WO (1) WO1999058318A1 (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2832717B1 (fr) * 2001-11-26 2004-07-09 Essilor Int Composition polymerisable par voie radicalaire conduisant a des verres organiques resistants au choc
WO2020100591A1 (ja) * 2018-11-15 2020-05-22 住友化学株式会社 成形体及びその製造方法
CN114516942A (zh) * 2020-11-18 2022-05-20 亨泰光学股份有限公司 硬式透氧隐形眼镜高分子材料及其聚合方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4197266A (en) 1974-05-06 1980-04-08 Bausch & Lomb Incorporated Method for forming optical lenses
US4084459A (en) 1977-03-07 1978-04-18 Bausch & Lomb Incorporated Method and apparatus for lens turning
US4400333A (en) 1977-05-25 1983-08-23 Neefe Charles W Production of oxygen permeable contact lenses
DE2807663A1 (de) * 1978-02-23 1979-08-30 Bayer Ag Verwendung von mischungen aus celluloseestern und aethylen-vinylacetat-copolymeren in der kontakt-augenoptik
AU546039B2 (en) 1982-05-08 1985-08-08 Menicon Co., Ltd Oxygen permeable hard contact lens
US4652622A (en) * 1983-04-29 1987-03-24 Bausch & Lomb Incorporated Polysiloxane composition with improved surface wetting characteristics and biomedical devices made thereof
DE3325055A1 (de) * 1983-07-12 1985-01-24 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von kontaktoptischen gegenstaenden
ATE34335T1 (de) * 1984-07-28 1988-06-15 Bayer Ag Verfahren zur herstellung eines kontaktlinsenhalbfertigzeugs.
US4582884A (en) * 1984-08-31 1986-04-15 Paragon Optical, Inc. Lens composition, article and method of manufacture
JP2532406B2 (ja) * 1986-09-30 1996-09-11 ホ−ヤ株式会社 耐衝撃性の優れた酸素透過性ハ−ドコンタクトレンズ用材料
JPH0467117A (ja) 1990-07-09 1992-03-03 Asahi Chem Ind Co Ltd 酸素透過性ハードコンタクトレンズ
US5310779A (en) * 1991-11-05 1994-05-10 Bausch & Lomb Incorporated UV curable crosslinking agents useful in copolymerization
JP3133197B2 (ja) 1993-08-26 2001-02-05 株式会社メニコン 透明光学樹脂成形品の製造法
ES2137495T3 (es) * 1994-01-31 1999-12-16 Bausch & Lomb Tratamiento de lentes de contacto con fluido supercritico.
JP2991655B2 (ja) 1996-03-19 1999-12-20 ホーヤ株式会社 眼内レンズおよびその製造方法
US5925294A (en) 1996-04-24 1999-07-20 Hoya Corporation Process for the production of an intraocular lens

Also Published As

Publication number Publication date
US6352343B1 (en) 2002-03-05
KR100570950B1 (ko) 2006-04-13
DE69932581D1 (de) 2006-09-14
EP1002636A4 (en) 2004-08-18
WO1999058318A1 (en) 1999-11-18
EP1002636B1 (en) 2006-08-02
DE69932581T2 (de) 2007-07-26
JP4087947B2 (ja) 2008-05-21
TR200000069T1 (tr) 2000-09-21
JPH11314283A (ja) 1999-11-16
EP1002636A1 (en) 2000-05-24
KR20010021599A (ko) 2001-03-15

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