您的位置: 首页 > 农业专利 > 详情页

Method of making a spectacle lens providing an astigmatic correction and spectacles including said spectacle lens
专利权人:
发明人:
Helmut Wietschorke
申请号:
US13901270
公开号:
US09459468B2
申请日:
2013.05.23
申请国别(地区):
US
年份:
2016
代理人:
摘要:
A method of making a spectacle lens providing at least an astigmatic correction includes measuring a direction of an axis of an astigmatism of an eye for each of three different directions of gaze of the eye. Thereafter, a position of the spectacle lens is determined relative to the eye. A shape of a surface of the spectacle lens is computed based on the determined position of the spectacle lens relative to the eye and the at least three measured directions of the axis of the astigmatism. A primary orientation of the eye is determined based on the three measured directions of the axis of the astigmatism. The shape of the surface of the spectacle lens is calculated based on the determined position of the spectacle lens relative to the eye and by applying Listings Law based on the determined primary orientation of the eye.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/
相关发明人
相关专利

意 见 箱

匿名:登录

个人用户登录

找回密码

第三方账号登录

忘记密码

个人用户注册

必须为有效邮箱
6~16位数字与字母组合
6~16位数字与字母组合
请输入正确的手机号码

信息补充