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SYSTEME DE STIMULUS ET DE SUIVI OCULAIRE
专利权人:
AUCKLAND UNISERVICES LIMITED
发明人:
THOMPSON, BEN,TURUWHENUA, JASON TE WHAREKOTUA
申请号:
CA3045768
公开号:
CA3045768A1
申请日:
2017.12.07
申请国别(地区):
CA
年份:
2018
代理人:
摘要:
A system and method for stimulus & eye tracking, useful for the determination of the presence or strength of optokinetic nystagmus (OKN) typically for assessing visual acuity, comprises providing a novel visual stimulus effective to elicit OKN, which includes varying the visibility of a visual stimulus element, or displaying a series of visual stimulus elements so that a later displayed element has different visibility relative to an earlier displayed element. Visual stimulus elements may vanish or appear by reducing or increasing intensity, contrast, size and/or width of the elements or element boundaries. Visual stimulus elements comprise a perimeter that is darker than a background and a centre that is lighter than the background, and/or a perimeter that is lighter than a background and a centre that is darker than the background.
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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