Improved Screening Tool for Cerebral Visual Impairment Developed

Strategic Insights -

A new study has shed light on the challenges associated with identifying Cerebral Visual Impairment (CVI) in children. According to the research published in Research In Developmental Disabilities, CVI is a brain-based visual disorder caused by damage to the visual processing areas of the brain. Medical professionals have reported difficulties in identifying CVI due to its unique presentation.

The study, conducted by a team of researchers at Cincinnati Children's Hospital, aimed to evaluate the accuracy of the Teach CVI screening tool in detecting children with CVI. The researchers analyzed data from 257 children who underwent the Teach CVI screening tool during outpatient ophthalmology or occupational therapy visits. The results showed that the sensitivity and specificity of the Teach CVI tool varied across different versions, with Teach 1 demonstrating acceptable sensitivity but poor specificity, while Teach 2 and 3 offered balanced levels of sensitivity and specificity.

Key Takeaways:

  • The Teach CVI screening tool has three versions targeting different motor abilities and age ranges.
  • The sensitivity and specificity of the Teach CVI tool varied across different versions, with Teach 1 demonstrating acceptable sensitivity but poor specificity, while Teach 2 and 3 offered balanced levels of sensitivity and specificity.
  • Teach 2 and 3 exhibited a significant association between screening results and CVI diagnosis.
  • The study highlights areas in which the Teach CVI demonstrates strengths and weaknesses, and potential considerations for implementing the Teach CVI in clinical care to screen for CVI.
  • The research has been peer-reviewed and published in Research In Developmental Disabilities.
  • Elsie Bush, Terry Schwartz, Melissa Rice, Li Lin, Reena Donofe, and Karen Harpster are the authors of the study.
  • The study was conducted at Cincinnati Children's Hospital, Division of Occupational Therapy and Physical Therapy.
  • The publisher of Research In Developmental Disabilities is Pergamon-elsevier Science Ltd.

Statistics:

  • 257 children were identified as having a Teach CVI screening tool completed during outpatient ophthalmology or occupational therapy visits.
  • The sensitivity and specificity of Teach CVI varied across versions, with Teach 1 showing 80% sensitivity and 29% specificity, and Teach 2 and 3 showing 64% and 68% sensitivity and specificity respectively.
  • Teach 2 and 3 exhibited a significant association between screening results and CVI diagnosis (p).

Sources:

  • Diagnostic sensitivity and specificity of the teach CVI screening tool for identifying cerebral visual impairment in children. Research In Developmental Disabilities, 2025;166:105125.
  • Cincinnati Children's Hospital
  • Pergamon-elsevier Science Ltd, The Boulevard, Langford Lane, Kidlington, Oxford OX5 1GB, England.
  • Elsevier - www.elsevier.com
  • Research In Developmental Disabilities - www.journals.elsevier.com/research-in-developmental-disabilities/