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  • Title: [Screening for amblyopia, strabismus and refractive abnormalities in 1,030 kindergarten children].
    Author: Käsmann-Kellner B, Heine M, Pfau B, Singer A, Ruprecht KW.
    Journal: Klin Monbl Augenheilkd; 1998 Sep; 213(3):166-73. PubMed ID: 9793915.
    Abstract:
    BACKGROUND: There are controversies concerning the necessity of pre-school vision screening. AIM OF THE STUDY: evaluation of the prevalence of pathologic ophthalmologic findings in kindergarten children. MATERIALS AND METHODS: 1030 families were offered a vision screening. Of these, a total of 948 children, aged 3 to 6 years, voluntarily underwent a screening for strabismus, amblyopia and refractive anomalies. The examination was performed in the kindergarten in the absence of the parents. METHODS OF EXAMINATION: A questionnaire concerning general and ophthalmologic history of the child and of the family was evaluated. Visual acuity, cover-uncover-test, Lang-stereotest, retinoscopy, ophthalmoscopy (undilated pupils) were performed and the glasses were evaluated. RESULTS: The screening was highly accepted by the parents and 92% of the families (n = 948) took part. The compliance of the children was very good. A total of 38.7% (n = 381) of the children showed one or more abnormal parameters. 21.4% (n = 229) showed a reduced visual acuity. Strabismus was found in 3.7%. Half of the children with abnormal findings already had had a vision screening, but only 25% had received ophthalmologic treatment. Of those who possessed glasses, 25% came without them, and another 25% had a reduced visual acuity even with their glasses. The main problems were many false-positive results and high costs. CONCLUSIONS: Ophthalmologic and orthoptic screening in kindergarten is technically easy and conclusive in experienced hands. Ideas to reduce costs and to avoid overreferrals are an age-related lowering of the visual acuity limit and a rescreening of suspected children in a screening-setting a second time before sending them to an ophthalmologist. Another possibility to reduce costs would be to perform examinations not by ophthalmologists but by "screening-orthoptists" who should be trained in retinoscopy and ophthalmoscopy.
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