Visual functions and utilization of gaze in children (patients) with Rett syndrome

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  • Hirano Daisuke
    Graduate School of Health and Welfare Sciences, International University of Health and Welfare, Otawara, Tochigi Department of Occupational Therapy, School of Health Sciences, International University of Health and Welfare, Otawara, Tochigi
  • Taniguchi Takamichi
    Graduate School of Health and Welfare Sciences, International University of Health and Welfare, Otawara, Tochigi Department of Occupational Therapy, School of Health Sciences, International University of Health and Welfare, Otawara, Tochigi

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Other Title
  • レット症候群児（者）の視機能と視線の活用の実態
  • レット ショウコウグンジ(モノ)ノ シ キノウ ト シセン ノ カツヨウ ノ ジッタイ

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Abstract

The purpose of this study was to reveal visual functions of children (patients) with Rett syndrome as well as current circumstances regarding utilization of gaze in rehabilitation and education for these children (patients). In the year 2016, we conducted a questionnaire survey using postal services in a total of 1,220 institutions with principals of 1,016 schools for special needs and managers of rehabilitation departments of 130 long-term medical care facilities for disabled children, 73 wards for patients with severe motor and intellectual disabilities in the national hospital organization, and one facility of national center of neurology and psychiatry. Information of a total of 216 children (patients) with Rett syndrome (ages between 3-53 years old, Yokochi's classification A1-B6, C6, D6 and E6) was obtained. Refractive anomaly, squint or nystagmus was not detected in 79 % of the cases and ability of gazing at and tracking an object was observed in 80%. Gaze had been utilized in rehabilitation and education in 60% of the cases, and the purposes of utilization the most commonly reported were to provide opportunities to present their intentions through selection of toys, cards or activities and to encourage them to gaze at and track an object, etc. The results of this survey suggested that visual functions of children (patients) with Rett syndrome were satisfactory and that there were needs of visual function assessments followed by interventions according to individual functions.

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