7至18岁失聪儿童群体中手持式视力表与利雅符号视力表的比较。
Comparison of the Handy Eye Chart and the Lea Symbols Chart in a population of deaf children aged 7-18 years.
作者信息
Gorham John Paul, Bruce Beau B, Hutchinson Amy K
机构信息
Department of Ophthalmology, Emory University School of Medicine, Atlanta, Georgia.
Department of Ophthalmology, Emory University School of Medicine, Atlanta, Georgia; Department of Neurology, Emory University School of Medicine, Atlanta, Georgia; Department of Epidemiology, Emory University Rollins School of Public Health, Atlanta, Georgia.
出版信息
J AAPOS. 2016 Jun;20(3):243-6. doi: 10.1016/j.jaapos.2016.02.009. Epub 2016 May 6.
PURPOSE
To compare the results of visual acuity testing in a population of deaf children using the Handy Eye Chart versus the Lea Symbols Chart and to compare testability and preference between charts.
METHODS
A total of 24 participants were recruited at the Atlanta Area School for the Deaf. Visual Acuity was evaluated using the Handy Eye Chart and the Lea Symbols Chart. Patient preference and duration of testing were measured.
RESULTS
The mean difference between the visual acuity as measured by each chart was -0.02 logMAR (95% CI, -0.06 to 0.03). Testing with the Handy Eye Chart was an average of 13.79 seconds faster than testing with the Lea Symbols Chart (95% CI, 1.1-26.47; P = 0.03). Of the 24 participants, 17 (71%) preferred the Handy Eye Chart (95% CI: 49%-87%; P = 0.07).
CONCLUSIONS
The Handy Eye Chart is a fast, valid, and useful tool for measuring visual acuity in deaf children age 7-18 years. Additional research is needed to evaluate the utility of the Handy Eye Chart in younger children and deaf adults.
目的
比较使用便捷视力表与利雅符号视力表对聋童进行视力测试的结果，并比较两种视力表的可测试性及受喜爱程度。
方法
在亚特兰大地区聋人学校招募了24名参与者。使用便捷视力表和利雅符号视力表评估视力。测量患者的偏好及测试时长。
结果
两张视力表所测视力的平均差值为-0.02 logMAR（95%置信区间，-0.06至0.03）。使用便捷视力表进行测试平均比利雅符号视力表快13.79秒（95%置信区间，1.1 - 26.47；P = 0.03）。在24名参与者中，17名（71%）更喜欢便捷视力表（95%置信区间：49% - 87%；P = 0.07）。
结论
便捷视力表是一种用于测量7 - 18岁聋童视力的快速、有效且实用的工具。需要进一步研究来评估便捷视力表在年幼儿童和成年聋人中的效用。
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