Document Detail

Eyelid opening in preterm neonates.
MedLine Citation:
PMID:  2774636     Owner:  NLM     Status:  MEDLINE    
The frequency and patterns of eyelid opening were examined in a group of neonates (gestational age 24-35 weeks). Observations were spread over the 24 hour period to obtain a complete pattern of events. Mean eyelid closure was 74%. When babies were grouped by gestational age, however, differences became apparent, babies of less than 26 weeks having their eyes shut for only 55% of observations compared with 93% at 28 weeks. Trend analysis confirmed that eyelid closure reached a peak at 28 weeks. Neonates exposed to a day/night regimen, opened their eyes significantly more than those exposed to continuous illumination. We suggest that frequency of eyelid opening may be related both to the infant's developmental state (postmenstrual age) and the illumination of the neonatal unit. Frequency of eyelid opening should therefore be considered when calculating the ocular light exposure of preterm neonates.
J Robinson; M J Moseley; J R Thompson; A R Fielder
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Archives of disease in childhood     Volume:  64     ISSN:  1468-2044     ISO Abbreviation:  Arch. Dis. Child.     Publication Date:  1989 Jul 
Date Detail:
Created Date:  1989-10-12     Completed Date:  1989-10-12     Revised Date:  2009-11-18    
Medline Journal Info:
Nlm Unique ID:  0372434     Medline TA:  Arch Dis Child     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  943-8     Citation Subset:  AIM; IM    
Department of Ophthalmology, University of Birmingham.
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MeSH Terms
Aging / physiology
Eyelids / physiology*
Gestational Age
Infant, Newborn
Infant, Premature / physiology*
Time Factors
Grant Support
//Wellcome Trust

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