Reliability of the Snellen chart
نویسندگان
چکیده
منابع مشابه
The Sensitivity, Specificity and Predictive Values of Snellen Chart Compared to the Diagnostic Test in Amblyopia Screening Program in Iran
Introduction Amblyopia is a leading cause of visual impairment in both childhood and adult populations. Our aim in this study was to assess the epidemiological characteristics of the amblyopia screening program in Iran. Materials and Methods A cross-sectional study was done on a randomly selected sample of 4,636 Iranian children who were referred to screening program in 2013 were participated i...
متن کاملDevelopment of a clinically feasible logMAR alternative to the Snellen chart: performance of the "compact reduced logMAR" visual acuity chart in amblyopic children.
BACKGROUND/AIM The "compact reduced logMAR" (cRLM) chart is being developed as a logMAR alternative to the Snellen chart. It is closer spaced and has fewer letters per line than conventional logMAR charts. Information regarding the performance of such a chart in amblyopes and children is therefore required. This study aimed to investigate the performance of the cRLM chart in amblyopic children....
متن کاملSCIENTIFIC REPORT Development of a clinically feasible logMAR alternative to the Snellen chart: performance of the ‘‘compact reduced logMAR’’ visual acuity chart in amblyopic children
Background/aim: The ‘‘compact reduced logMAR’’ (cRLM) chart is being developed as a logMAR alternative to the Snellen chart. It is closer spaced and has fewer letters per line than conventional logMAR charts. Information regarding the performance of such a chart in amblyopes and children is therefore required. This study aimed to investigate the performance of the cRLM chart in amblyopic childr...
متن کاملthe sensitivity, specificity and predictive values of snellen chart compared to the diagnostic test in amblyopia screening program in iran
introduction amblyopia is a leading cause of visual impairment in both childhood and adult populations. our aim in this study was to assess the epidemiological characteristics of the amblyopia screening program in iran. materials and methods a cross-sectional study was done on a randomly selected sample of 4,636 iranian children who were referred to screening program in 2013 were participated i...
متن کامل[Snellen visual acuity evaluation].
PURPOSE To evaluate the visual acuity (VA) measurement by Snellen chart at three main Ophthalmology centers in Curitiba, compare these measurements with a computerized method for calibrating VA and also with the standard theory developed by Hermann Snellen. METHODS Descriptive study including 15 Ophthalmology clinics and a computerized method to measure the VA. Using a tape measure and a cali...
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ژورنال
عنوان ژورنال: BMJ
سال: 1995
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.310.6993.1481