The utility model relates to an eyesight chart, composed of a bottom plate of the eyesight chart, a panel, and a visual sign ring or a visual sign disc embedded between the bottom plate and the panel and can rotate around an axis center. The eyesight chart can be printed with the ...
网络释义 1. 视力图表 光电英语词汇 - 外贸英语 -... ... visual acuity 视敏度Visual acuity chart视力图表visual alignment 目视调准 ... bbs.fobshanghai.com|基于33个网页 2. 视力表 眼科... ... examination of near vision 近视力检查[法]visual acuity chart视力表standard visual acuity chart 标准...
Visual acuity test The visual acuity test is used to determine the smallest letters you can read on a standardized chart (Snellen chart) or a card held 20 feet away. Speci... ADAME Board - Visual acuity test 被引量: 1发表: 2013年 Visual Acuity Test The visual acuity test is the best...
Visual Acuity Chart Author links open overlay panelShow more Share Cite https://doi.org/10.1016/S0886-3350(09)00724-XGet rights and contentPrevious article in issue Next article in issueCited by (0)View full text Copyright © 2009 Published by Elsevier Inc. All rights reserved....
Herman Snellen, MD, (d. 1908) was an ophthalmology professor at Utrecht University in the Netherlands. He was also the director of the Netherlands Hospital for Eye Patients. Dr. Snellen’s research interests included astigmatism, glaucoma, and correction of visual acuity using eyeglasses and ophth...
A visual acuity chart displaying apparatus for displaying various visual charts for a visual performance examination, for an eye to be examined includes, a visual chart plate (4) in which a plural kinds of visual charts displayed for the eye to be examined are arranged changeably, a first ...
High-Quality Visual Display Parts and Accessories: LED Light for Enhanced Visibility Features: |Qualitative Observation Definition| **Optimized Visual Clarity for Ophthalmic Professionals** The Ophthalmic Equipment Near Vision Chart with LED Light is a high-quality tool designed for ophthalmic technicians...
Before measurement began, the whole class was briefed on the test procedure and were assured that we were not going to touch their eyes during testing. Distance habitual VA (with spectacles if worn) was measured using a single Bailey-Lovie LogMAR acuity chart at four metres, in a room well...
Snellen chart, chart used to measure visual acuity by determining the level of visual detail that a person can discriminate. It was developed by the Dutch ophthalmologist Herman Snellen in 1862 and was adopted by medical professionals in many countries w
Visual acuity was psychometrically measured over a wide range of luminances for four amblyopes to explore the contention that amblyopic eyes improve in acuity in dim light and have an acuity equal to or better than the normal eye. In our... E Caloroso,MC Flom - 《Optometry & Vision Science...