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Sleep disturbance in congenital and acquired blindness

Lockley, S.W., Tabandeh, H., Skene, D., Bird, A.C., Arendt, J. and Defrance, R. (1996) Sleep disturbance in congenital and acquired blindness Investigative Ophthalmology and Visual Science, 37 (3).

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Purpose : Circadian rhythms have been reported to free-run at cycles other than 24 hours in some blind individuals. Sleep is influenced by arcadian rhythms and a high prevalence of sleep problems has been reported to occur in blindness. The pathophysiological and coping mechanisms for sleep disturbance are complex and may theoretically be influenced by the duration, rapidity and type of visual loss. This study compared the prevalence and severity of sleep disturbance in congenital and acquired blindness. Methods : Fifty two adult subjects with no perception of light were assessed with regards to the duration and cause of visual loss, presence of systemic conditions and medications. Each subject underwent an interview and was administered the Pittsburgh Sleep Quality Index Questionnaire (PSQI). Results: 71.2 percent of the subjects had sleep disturbance (Mean PSQI= 8.5 ± 1.06). The prevalence of sleep disturbance was 70.0% in the congenital (Mean PSQI= 8.6 ± 2.98) and 71.4% in the acquired group (Mean PSQI= 8.5 ± 1.13). No significant difference was observed. Conclusion: This study highlights the high prevalence of sleep disorders in blind subjects and demonstrates that the sleep disturbance occurs with the same frequency in congenital and acquired blindness.

Item Type: Article
Authors :
Tabandeh, H.
Skene, D.
Bird, A.C.
Arendt, J.
Defrance, R.
Date : 1996
Depositing User : Clive Harris
Date Deposited : 17 Jun 2020 02:06
Last Modified : 17 Jun 2020 02:06

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