Handheld vision tester and calibration thereof

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专利权人:

发明人:

Mike Bartlett,William R. Krenik,Yi-Zhong Wang

申请号：

US14690100

公开号：

US09498118B2

申请日:

2015.04.17

申请国别(地区):

US

年份:

2016

代理人:

摘要：

In one aspect, there is provided a handheld vision tester. In this particular embodiment, the handheld vision tester comprises a display, cursor control, and an interface port. The display delivers vision tests to a user. The user interacts with the vision tests by using the display and cursor control. The interface port allows for communication of results of the vision tests from the handheld tester to external devices.

来源网站：

中国工程科技知识中心

来源网址：

http://www.ckcest.cn/home/