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A VISUAL ACUITY TEST METHOD, APPARATUS AND SYSTEM
专利权人:
发明人:
Li Yang,Yefei Dong
申请号:
US14913283
公开号:
US20170055826A1
申请日:
2015.09.14
申请国别(地区):
US
年份:
2017
代理人:
摘要:
A visual acuity test method, apparatus and system that may be utilized as an automatic test of the visual acuity level of a test object, to reduce the problem of complex operation of the existing visual acuity test solution. The method is applied by an apparatus with a display screen, and comprises: displaying a test picture including at least one optotypes on a display screen, and determining an active optotype for visual acuity test from the optotypes of the test picture according to a preset rule. The method includes the steps of obtaining indicating information of the test object for the active optotype of the test picture and determining the visual acuity level of the test object according to orientations represented by active optotypes of at least one test pictures and the indicating information of the visual acuity test object for the active optotypes of at least one test picture.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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