Repeatability and Agreement of Visual Acuity Using the ETDRS Number Chart, Landolt C Chart, or ETDRS Alphabet Chart in Eyes With or Without Sight-Threatening Diseases
نویسندگان
چکیده
منابع مشابه
A modified ETDRS visual acuity chart for European-wide use.
PURPOSE The log MAR visual acuity (VA) chart developed for use in the Early Treatment Diabetic Retinopathy Study (ETDRS) is composed of 10 Sloan letters, which are not used in the Greek, Cyrillic, and Central European alphabets. In this study we evaluate a modified ETDRS chart, the University of Crete (UoC) chart, which contains a set of letters readable by all European citizens. METHODS In t...
متن کاملChart for visual acuity screening.
SIR, -I read with great interest the paper by Wong and Kaye on a suggested chart for visual acuity screening.' However, I was surprised to find that they recommended widespread clinical use of this chart without any clinical data to confirm its suitability. The statistical argument they use is compelling, but surely a comparison with other methods of acuity testing should be undertaken to confi...
متن کاملcomparison of an italian chart with an iranian chart in visual acuity measurement
background: taking visual acuity is an important part of an eye routine examination. this study was conducted to compare visual acuity measured using an iranian digital tumbling e chart with visual acuity measured using an italian digital tumbling e chart as a familiar foreign chart. materials and methods: this study was carried out on 200 participants (400 eyes; healthy n=40, glaucoma n=40, re...
متن کاملThe agreement chart
BACKGROUND When assessing the concordance between two methods of measurement of ordinal categorical data, summary measures such as Cohen's (1960) kappa or Bangdiwala's (1985) B-statistic are used. However, a picture conveys more information than a single summary measure. METHODS We describe how to construct and interpret Bangdiwala's (1985) agreement chart and illustrate its use in visually a...
متن کاملVisual acuity results in school-aged children and adults: Lea Symbols chart versus Bailey-Lovie chart.
PURPOSE To compare visual acuity results obtained using the Lea Symbols chart with visual acuity results obtained with the Bailey-Lovie chart in school-aged children and adults using a within-subjects comparison of monocular acuity results. METHODS Subjects were 62 individuals between 4.5 and 60 years of age, recruited from patients seen in five optometry clinics. Each subject had acuity of t...
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ژورنال
عنوان ژورنال: JAMA Ophthalmology
سال: 2018
ISSN: 2168-6165
DOI: 10.1001/jamaophthalmol.2017.6290