Invention Grant
US07972000B2 Method and arrangement for determining the individually required addition of a vision aid
有权
用于确定视力援助的单独需要的添加的方法和装置
- Patent Title: Method and arrangement for determining the individually required addition of a vision aid
- Patent Title (中): 用于确定视力援助的单独需要的添加的方法和装置
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Application No.: US12656143Application Date: 2010-01-19
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Publication No.: US07972000B2Publication Date: 2011-07-05
- Inventor: B. Monique Becker , Jesús-Miguel Cabeza-Guillén , Timo Kratzer
- Applicant: B. Monique Becker , Jesús-Miguel Cabeza-Guillén , Timo Kratzer
- Applicant Address: DE Aalen
- Assignee: Carl Zeiss Vision GmbH
- Current Assignee: Carl Zeiss Vision GmbH
- Current Assignee Address: DE Aalen
- Agent Walter Ottesen
- Priority: DE102009004866 20090116
- Main IPC: A61B3/00
- IPC: A61B3/00
Abstract:
The invention is directed to a method for determining the individually required addition (Add) of a vision assist for an eye, the method having the following steps: a) a preliminary addition (Addpreliminary) is determined; b) the depth of field (T) of the eye is individually determined; and, c) the addition (Add) is computed according to the following equation: Add=Addpreliminary−ωT; wherein ω defines a real number which lies in the range 0
Public/Granted literature
- US20100182566A1 Method and arrangement for determining the individually required addition of a vision aid Public/Granted day:2010-07-22
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