Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Methods of use
Reexamination Certificate
2007-04-03
2007-04-03
Marmor, II, Charles A. (Department: 3735)
Optics: eye examining, vision testing and correcting
Eye examining or testing instrument
Methods of use
C351S242000, C351S239000
Reexamination Certificate
active
10451697
ABSTRACT:
This invention discloses an achromatopsia inspection/correction method, comprising the following steps: displaying a plurality of groups of achromatopsia test charts for the examinee to identify, each group is corresponding to one type of achromatopsia; determining the types of achromatopsia based upon the inspection results; displaying at least one colored color-matching contrast chart, one area of said color-matching chart is in a predetermined color, another area is for the examinee to match colors; taking the color-matching result from the examinee; determining the achromatopsia scales of the examinee by comparing the color-matching results of the examinee with said predetermined three elementary colors; selecting the corresponding achromatopsia correction spectrum curves according to the determined types and scales of achromatopsia. Besides, this invention also discloses an achromatopsia inspection/correction apparatus for realizing this method.
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Chen Xiaoguang
Chen Yan
Chen Yan
Marmor, II Charles A.
Sanders John R
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