Contrast sensitivity measuring device and contrast sensitivity measuring method
First Claim
1. A contrast sensitivity measuring device comprising:
- a contrast target display part for displaying contrast targets;
a contrast target data determination part for determining contrast targets to be displayed on said contrast target display part according to data on optical characteristics of an eye of a subject to be examined;
a contrast target display control part for instructing said contrast target display part to display contrast targets based on contrast target data created in said contrast target data determination part according to a predetermined procedure; and
a display part for displaying the results of contrast measurement of said subject using data on a history of responses of said subject to displayed contrast targets.
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Abstract
The present invention relates to a device and methods for contrast sensitivity measurement. The device and the methods make it possible to precisely measure the contrast sensitivity of a subject within a short period of time. The device comprises a contrast target display part 100 for displaying contrast targets for a contrast sensitivity test, a contrast target data determination part 320 for determining contrast targets to be displayed on the contrast target display part 100 according to data on optical characteristics of an eye of a subject to be examined, a contrast target display control part 330 for instructing the contrast target display part 100 to display contrast targets based on contrast target data created in the contrast target data determination part 320 according to a predetermined procedure, and a display part 600 for displaying the results of contrast measurement of the subject using data on a history of responses of the subject to displayed contrast targets.
13 Citations
18 Claims
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1. A contrast sensitivity measuring device comprising:
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a contrast target display part for displaying contrast targets;
a contrast target data determination part for determining contrast targets to be displayed on said contrast target display part according to data on optical characteristics of an eye of a subject to be examined;
a contrast target display control part for instructing said contrast target display part to display contrast targets based on contrast target data created in said contrast target data determination part according to a predetermined procedure; and
a display part for displaying the results of contrast measurement of said subject using data on a history of responses of said subject to displayed contrast targets. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A contrast sensitivity measuring method comprising the steps of:
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determining contrast targets to be displayed on a contrast target display part according to data on optical characteristics of an eye of a subject to be examined, displaying contrast targets on said contrast target display part based on contrast target data created in a contrast target data determination part according to a predetermined procedure; and
displaying the result of measurement of a contrast of a subject using data on a history of responses of said subject to displayed contrast targets.
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Specification