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. 2001 Dec;79(6):589-95.
doi: 10.1034/j.1600-0420.2001.790609.x.

Visual acuity, residual amblyopia and ocular pathology in a screened population of 12-13-year-old children in Sweden

J Ohlsson  1 , G Villarreal, A Sjöström, M Abrahamsson, J Sjöstrand
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Free article

Visual acuity, residual amblyopia and ocular pathology in a screened population of 12-13-year-old children in Sweden

J Ohlsson et al. Acta Ophthalmol Scand. 2001 Dec.
Free article

Abstract

Purpose: To establish the distribution of visual acuity and the prevalence of residual amblyopia and other ocular disorders in a vision-screened population group of 12-13-year-old children.

Methods: In total 1046 children were examined in a field study in Sweden. The examination included visual acuity, stereopsis, cover testing, red reflex, refractive retinoscopy and examination of the posterior pole. In selected cases VEP was also performed.

Results: Visual acuity > or =1.0 in at least one eye was present in 98% of cases. Residual amblyopia (< or =0.5) was found in 1.1% of the population. Manifest strabismus was found in 2.7%. There were only a small number of ocular opacities and posterior pole abnormalities. Ocular albinism was found in 7 cases. In 15 children the cause of subnormal VA was unexplained.

Conclusion: Results for visual acuity, residual amblyopia and other ocular disorders are very similar to previous Nordic, vision-screened populations.

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