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HIGH SPEED CORNEAL LENTICULAR INCISION USING A FEMTOSECOND LASER
专利权人:
AMO DEVELOPMENT; LLC
发明人:
Hong Fu,Alireza Malek Tabrizi,Nima Khatibzadeh
申请号:
US16057740
公开号:
US20200046558A1
申请日:
2018.08.07
申请国别(地区):
US
年份:
2020
代理人:
摘要:
An ophthalmic surgical laser system and method for forming a lenticule in a subject's eye using “fast-scan-slow-sweep” scanning scheme. A high frequency scanner forms a fast scan line, which is placed by the XY and Z scanners at a location tangential to a parallel of latitude of the surface of the lenticule. The XY and Z scanners then move the scan line in a slow sweep trajectory along a meridian of longitude of the surface of the lenticule in one sweep. Multiple sweeps are performed along different meridians to form the entire lenticule surface, and a prism is used to change the orientation of the scan line of the high frequency scanner between successive sweeps. In each sweep, the sweeping speed along the meridian is variable, being the slowest at the edge of the lenticule and the fastest near the apex.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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