Document Detail

Improvement in distance stereoacuity following surgery for intermittent exotropia.
MedLine Citation:
PMID:  18082437     Owner:  NLM     Status:  MEDLINE    
PURPOSE: To evaluate whether distance stereoacuity improves following surgery for intermittent exotropia using the Frisby Davis Distance (FD2) and Distance Randot stereotests.
METHODS: Eighteen patients (median age, 24 years; range, 5 to 68 years) with intermittent exotropia were prospectively enrolled. Stereoacuity was measured pre- and 6 weeks postoperatively using the FD2 and Frisby near tests (real depth tests) and Preschool Randot and Distance Randot tests (polaroid vectographs).
RESULTS: Distance stereoacuity measured with the FD2 improved from a median preoperative value of 80 to 40 arcsec postoperatively (p = 0.04) and stereoacuity measured with the Distance Randot improved from a median of nil to 200 arcsec (p = 0.06). In those that had subnormal stereoacuity preoperatively, there was even more marked improvement in distance stereoacuity (FD2 median nil vs 40 arcsec, p = 0.002; Distance Randot median nil vs 200 arcsec, p = 0.004). Near stereoacuity measured with Frisby and Preschool Randot remained unchanged pre- to postoperatively (median, 60 and 80 arcsec, respectively).
CONCLUSIONS: There was improvement in distance stereoacuity measured with both the FD2 and the Distance Randot stereotests in patients who underwent surgery for intermittent exotropia. The FD2 and Distance Randot may be useful outcome measures in future clinical trials of interventions for intermittent exotropia.
Wendy E Adams; David A Leske; Sarah R Hatt; Brian G Mohney; Eileen E Birch; David R Weakley; Jonathan M Holmes
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't     Date:  2007-12-21
Journal Detail:
Title:  Journal of AAPOS : the official publication of the American Association for Pediatric Ophthalmology and Strabismus / American Association for Pediatric Ophthalmology and Strabismus     Volume:  12     ISSN:  1528-3933     ISO Abbreviation:  J AAPOS     Publication Date:  2008 Apr 
Date Detail:
Created Date:  2008-04-21     Completed Date:  2008-08-06     Revised Date:  2014-09-15    
Medline Journal Info:
Nlm Unique ID:  9710011     Medline TA:  J AAPOS     Country:  United States    
Other Details:
Languages:  eng     Pagination:  141-4     Citation Subset:  IM    
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MeSH Terms
Depth Perception
Distance Perception / physiology
Exotropia / surgery*
Follow-Up Studies
Intraocular Pressure
Oculomotor Muscles
Ophthalmologic Surgical Procedures
Vision Disparity
Vision Tests
Vision, Binocular
Visual Acuity*
Grant Support
EY005236/EY/NEI NIH HHS; EY011751/EY/NEI NIH HHS; EY015799/EY/NEI NIH HHS; R01 EY015799/EY/NEI NIH HHS; R01 EY015799-02/EY/NEI NIH HHS; R01 EY015799-03/EY/NEI NIH HHS

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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