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Method and apparatus for combined cylindrical and spherical eye corrections 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • A61N-005/06
출원번호 US-0138552 (1993-10-15)
발명자 / 주소
  • Shimmick John K.
출원인 / 주소
  • Visx, Inc.
대리인 / 주소
    Townsend and Townsend and Crew LLP
인용정보 피인용 횟수 : 107  인용 특허 : 0

초록 ▼

A method for performing concurrent spherical and cylindrical corrections to the corneal surface of the eye to reduce myopia and astigmatism. A laser beam irradiates the corneal surface via a variable diameter iris and a slot produced by a pair of translatable blades. The width of the slot and the di

대표청구항 ▼

[ What is claimed is:] [1.] A system for changing the anterior surface the cornea of an eye from an initial spherical and cylindrical curvature having myopic and astigmatic optical properties to a subsequent curvature having correctively improved optical properties, the cornea having a surface and a

이 특허를 인용한 특허 (107)

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