Comparing visual acuity in preschool children using the Lea symbols and Sheridan Gardiner charts
نویسندگان
چکیده
منابع مشابه
Comparison of Lea Symbols chart and Sheridan Gardiner chart in assessing vision screening among pre-school children: a Malaysia perspective.
OBJECTIVE Compare the performance of Lea Symbols and Sheridan Gardiner charts against the standard test chart used to determine reduced VA during vision screening among pre-schoolers. MATERIAL AND METHOD Seven hundred seventy five pre-school participated where 389 subjects were boys and 386 subjects were girls were tested using the Lea Symbols chart and the Sheridan Gardiner chart. The mean a...
متن کاملPreschool visual acuity screening with HOTV and Lea symbols: testability and between-test agreement.
PURPOSE To compare the performance of 3- to 5-year-old children on visual acuity screening with HOTV letters vs. Lea symbols as optotypes. METHODS Subjects included 1253 Head Start children who were aged either 3 or 4 years on September 1 of the school year of testing. The sample over-represented children who had not passed a Head Start screening. Binocular pretesting at 1 m demonstrated the ...
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...
متن کاملDo picture-based charts overestimate visual acuity? Comparison of Kay Pictures, Lea Symbols, HOTV and Keeler logMAR charts with Sloan letters in adults and children
PURPOSE Children may be tested with a variety of visual acuity (VA) charts during their ophthalmic care and differences between charts can complicate the interpretation of VA measurements. This study compared VA measurements across four pediatric charts with Sloan letters and identified chart design features that contributed to inter-chart differences in VA. METHODS VA was determined for righ...
متن کاملUse of Lea symbols in young children.
ccurate measurement of visual acuity is fundamental to ophthal-mological care for all ages. This measure is used for diagnosis, for documentation of clinical outcomes, for qualification for special education or disability programmes, and for permission to drive a motor vehicle. More than 20 years ago the importance of ensuring that such a measure be scientifically rigorous was recognised with t...
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ژورنال
عنوان ژورنال: African Vision and Eye Health
سال: 2015
ISSN: 2410-1516,2413-3183
DOI: 10.4102/aveh.v74i1.22