Preschool vision screening: negative predictive value for amblyopia
نویسندگان
چکیده
منابع مشابه
Preschool vision screening: negative predictive value for amblyopia.
BACKGROUND/AIMS Single optotype tests of visual acuity are widely used for preschool vision screening in order to optimise cooperation with testing. These tests may, however, underestimate the visual acuity deficit in amblyopia because they lack visual crowding. This study assessed the resultant negative predictive value (NPV) for amblyopia. METHODS Cohort study of 936 children in the Cambrid...
متن کاملPreschool vision screening.
Although a good case for preschool screening for vision defects can be made there is very little evidence that existing programmes are effective in practice. A comparative trial of three different methods of preschool vision screening is described. Some 7000 children initially aged 5 months (younger cohorts) and 30 months (older cohorts) in three matched areas entered the trial during 1987. Dur...
متن کاملTITLE: Preschool Vision Screening
Canada. HTIS responses are based on a limited literature search and are not comprehensive, systematic reviews. The intent is to provide the best evidence on the topic that could be identified within the time allowed. HTIS responses should be considered along with other types of information and health care considerations. The information included in this response is not intended to replace profe...
متن کاملPreschool vision screening.
OBJECTIVES To undertake a systematic review of the effectiveness of preschool vision screening. To provide evidence on which decisions about the future provision of this service can be made. To indicate areas for further research. STUDY SELECTION The Centre for Reviews and Dissemination guidelines for systematic reviews were used. The research questions were formulated using the Wilson and Ju...
متن کاملEffectiveness of screening preschool children for amblyopia: a systematic review
BACKGROUND Amblyopia and amblyogenic factors like strabismus and refractive errors are the most common vision disorders in children. Although different studies suggest that preschool vision screening is associated with a reduced prevalence rate of amblyopia, the value of these programmes is the subject of a continuing scientific and health policy discussion. Therefore, this systematic review fo...
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ژورنال
عنوان ژورنال: British Journal of Ophthalmology
سال: 1999
ISSN: 0007-1161
DOI: 10.1136/bjo.83.6.676