Invention Grant
US07726812B2 Device for preventing and treating myopia 失效
用于预防和治疗近视的装置

  • Patent Title: Device for preventing and treating myopia
  • Patent Title (中): 用于预防和治疗近视的装置
  • Application No.: US10584355
    Application Date: 2004-12-20
  • Publication No.: US07726812B2
    Publication Date: 2010-06-01
  • Inventor: Minghua DaiYaodong Dai
  • Applicant: Minghua DaiYaodong Dai
  • Applicant Address: CN Shijiazhuang
  • Assignee: Minghua Dai
  • Current Assignee: Minghua Dai
  • Current Assignee Address: CN Shijiazhuang
  • Agency: Workman Nydegger
  • Priority: CN200310109716 20031225; CN200410098856 20041220
  • International Application: PCT/CN2004/015114 WO 20041220
  • International Announcement: WO2005/063153 WO 20050714
  • Main IPC: A61B3/00
  • IPC: A61B3/00
Device for preventing and treating myopia
Abstract:
A device for preventing and treating myopia includes a base, a spectacles frame (1), a holder (3) and a lens (2). The holder (3) is mounted on the base; a visual target (4) is placed on the base. The spectacles frame (1) is connected to the holder (3) by adjustable connecting parts (31,32,33,34,35), so the distance between the spectacles frame (1) and the visual target (4) which is placed on the base is adjustable.
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