Difference of refractive status before and after cycloplegic refraction: the Lhasa Childhood Eye Study
Purpose To compare the differences between cycloplegic and noncycloplegic refraction as well as associated factors in grade one students of primary schools, and explore the effectiveness of noncycloplegic refraction for refractive error screening. Study design Cross-sectional study. Methods A school...
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Veröffentlicht in: | Japanese journal of ophthalmology 2021-07, Vol.65 (4), p.526-536 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | Purpose
To compare the differences between cycloplegic and noncycloplegic refraction as well as associated factors in grade one students of primary schools, and explore the effectiveness of noncycloplegic refraction for refractive error screening.
Study design
Cross-sectional study.
Methods
A school-based study of 1856 students was conducted in Lhasa, Tibetan Plateau, China. Cycloplegia was achieved with two drops of 1% cyclopentolate and 1 drop of Mydrin P at a 5-min interval. Autorefraction was performed under both cycloplegic and noncycloplegic conditions. Bland–Altman analysis, receiver operating characteristic curve analysis, univariate and multiple linear regression models were used for analysis.
Results
Of the 1856 children enrolled, 1830 (98.60%) completed all procedures. The average age was 6.83 ± 0.46 years. 965 (52.73%) children were boys and 1737 (94.92%) were Tibetan. Overall, there was a significant difference between cycloplegic and noncycloplegic SE of 0.90 ± 0.76D (
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ISSN: | 0021-5155 1613-2246 |
DOI: | 10.1007/s10384-021-00828-6 |