System for Approximate Refraction of Patients with a Single, Central Scotoma

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专利权人:

Ronald Steven Black

发明人:

Ronald Steven Black

申请号：

US16399890

公开号：

US20200069176A1

申请日:

2019.04.30

申请国别(地区):

US

年份:

2020

代理人:

摘要：

This patent describes a machine that allows patients with a single, central scotoma to receive an acceptable but sub-optimal refraction for the badThanks. eye based on previous refraction values, current refraction of the Good Eye, cataract characteristics, and subjective judgements of whether the patient can identify optotypes after incremental changes in refraction.

来源网站：

中国工程科技知识中心

来源网址：

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