| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a vision test chart for checking ophthalmic nerve disorder appearing due to eye disease of the retina, optic nerve, etc. or intracranial disease etc., wherein a plurality of tests of detection of initial symptom and observation of progress of glaucoma for a subject in any condition can easily performed at a low cost simultaneously without requiring skilled technique to a tester. <P>SOLUTION: In the vision test chart, a plurality of circular or square indices comprising patterns of combination of two or more colors are placed on prescribed positions corresponding to test sites in the field of view. <P>COPYRIGHT: (C)2007,JPO&INPIT |
