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특허 상세정보

Method for reshaping the cornea

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) A61N-005/06   
미국특허분류(USC) 606/5 ; 128/395 ; 128/898
출원번호 US-0357705 (1989-05-26)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 86  인용 특허 : 6
초록

A method for reshaping the cornea comprises an initial step of determining the precise volume of corneal tissue which must be removed in order to attain the desired vision correction. A pulses laser beam, having a pulse energy density sufficient to cause photoablation of corneal tissue near the threshold of the plasma regime, is directed onto the eye for removal of relatively large portions of tissue from the precisely determined volume to establish a corrected surface. A pulsed laser beam, having a pulse energy density sufficient to cause photoablation ...

대표
청구항

A method for controlled reshaping of the cornea of the eye which comprises the steps of: removing a specified volume of corneal tissue by photoablation using laser pulses having plasma forming energy densities to establish a predetermined corrected surface; and smoothing said corrected surface by photoablation using laser pulses having energy densities substantially below an effective plasma forming level.

이 특허를 인용한 특허 피인용횟수: 86

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