Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Methods of use
Reexamination Certificate
2011-07-05
2011-07-05
Dinh, Jack (Department: 2873)
Optics: eye examining, vision testing and correcting
Eye examining or testing instrument
Methods of use
C351S200000
Reexamination Certificate
active
07972000
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<ω≦1.The invention is further directed to a corresponding arrangement for carrying out the method as well as a computer program.
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Becker B. Monique
Cabeza-Guillén Jesús-Miguel
Kratzer Timo
Carl Zeiss Vision GmbH
Dinh Jack
Ottesen Walter
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