| Recovery of phorias following monocular occlusion. | |
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MedLine Citation:
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PMID: 8014783 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Fourteen nonstrabismic volunteers were monocularly patched for 2 and 24 hours in separate experiments. Horizontal and vertical phorias were measured at 6 m and 30 cm, at 30-second intervals, for at least 30 minutes, following removal of the patch. After 24 hours of monocular occlusion, the initial change from baseline at 6 m ranged from 9.5 prism diopters exo to 7 delta eso and 6.5 delta hyper to 3 delta hypo. At 30 cm, the initial change ranged from 7.5 delta exo to 4 delta eso and 1 delta hyper to 1 delta hypo. In all but three subjects, phorias returned to within 2 delta of baseline by 3 minutes, and in all subjects by 25 minutes. After 2 hours of monocular occlusion, the range of initial change from baseline was similar to 24 hours of occlusion, but all phorias returned to within 2 delta of baseline by 2.5 minutes. Therefore, we suggest that ocular alignment should not be routinely measured within 3 minutes of removing a patch. If patched for 24 hours, a few individuals will require up to 25 minutes for stabilization of their deviation. Further studies might address these effects in patients with subnormal fusion and stereopsis. |
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Authors:
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J M Holmes; K M Kaz |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of pediatric ophthalmology and strabismus Volume: 31 ISSN: 0191-3913 ISO Abbreviation: J Pediatr Ophthalmol Strabismus Publication Date: 1994 Mar-Apr |
Date Detail:
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Created Date: 1994-07-28 Completed Date: 1994-07-28 Revised Date: 2004-11-17 |
Medline Journal Info:
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Nlm Unique ID: 7901143 Medline TA: J Pediatr Ophthalmol Strabismus Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 110-3 Citation Subset: IM |
Affiliation:
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Department of Ophthalmology, Loyola University Chicago, Maywood, Ill 60153. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Humans Sensory Deprivation* Strabismus / physiopathology* Time Factors Vision, Monocular / physiology* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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