Title:
【発明の名称】改良された臨床的性能を有する柔軟なガス透過性コンタクトレンズ
Document Type and Number:
Japanese Patent JPH04501882
Kind Code:
A
Abstract:
A hydrophilic soft gas permeable contact lens having substantially improved clinical performance by the provision of a sufficient higher proportion of hydroxy acrylic units to silicon units in the lens surface layer, as compared to that existing in the lens core, by the surface treatment of the lens, such as by reacting of the lens surface with polyols and base or acid or by radiation treatment of the base lens to graft, deposit or coat thereon hydroxy acrylic units.
Inventors:
Jiang, Shin-siun
Ji Yang, Mazy
Ji Yang, Mazy
Application Number:
JP51256390A
Publication Date:
April 02, 1992
Filing Date:
September 07, 1990
Export Citation:
Assignee:
Jiang, Shin-siun
Ji Yang, Mazy
Ji Yang, Mazy
International Classes:
C08F20/26; C08F20/38; C08F20/52; C08F30/08; C08F220/28; C08F220/56; C08F230/08; C08J5/00; C08J7/04; G02C7/04; C08J7/12; C08J7/18; G02B1/04; (IPC1-7): C08F220/28; C08F220/56; C08F230/08; C08J5/00; C08J7/04; C08J7/12; C08J7/18; C08L43/00; G02C7/04
Attorney, Agent or Firm:
Heikichi Odashima