Original document(18 pages)  中文版
    The present invention relates to a device and a method used for forming curved or round edge on a lens, which is in particular suitable for a contact lens. The method for forming curved edge on the lens provided by the present invention comprises that a beam of laser is projected on the surface close to the edge on the lens, thereby ablation light is brought to lead to disintegration. The device provided by the present invention used for accomplishing the method of the present invention can trace out an arcual path at the edge of the lens for the laser beam to pass. The lens is preferably a polymer contact lens.
Application Number
申请号		 89108154 Application Date
申请日		 1989.10.25
Title 名称 Laser profiling of lenses
Publication Number
公开号		 1042679 Publication Date
公开日		 1990.06.06
Approval Pub. Date Granted Pub. Date
International Classification 分类号 B23K26/08;B29D11/00;G02C7/04
Applicant(s) Name
申请人		 Bausch & Lomb Bermuda Technology Ltd.
Address 地址
Inventor(s) Name 发明人 James Gerard Lunney
Attorney & Agent 代理人 MA TIELIANG YE KAIDONG
More information 更  多  信  息


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