Effect of Late Surgery for Acquired Esotropia on Visual Evoked Potential

ABSTRACT Purpose: To asses the effect of strabismus surgery on visual evoked potential (VEP) amplitude after age 5 years in children with acquired esotropia. Methods: Visual evoked potentials to binocular and monocular pattern reversal stimulation were recorded in 10 children aged 5 to 6 years befor...

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Vydáno v:Journal of pediatric ophthalmology and strabismus Ročník 38; číslo 2; s. 83 - 88
Hlavní autoři: Kozma, Petra, Deák, Andrea, Janáky, Márta, Benedek, György
Médium: Journal Article
Jazyk:angličtina
Vydáno: Thorofare, NJ Slack 01.03.2001
SLACK INCORPORATED
Témata:
Biological and medical sciences
Child
Child, Preschool
Esotropia - genetics
Esotropia - physiopathology
Esotropia - surgery
Evoked Potentials, Visual - physiology
Female
Humans
Male
Medical sciences
Oculomotor Muscles - physiopathology
Oculomotor Muscles - surgery
Ophthalmologic Surgical Procedures
Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases
Surgery of the eye and orbit
Vision, Binocular - physiology
Visual Acuity
Human
Postoperative
Esotropia
Late
Prognosis
Acquired
Visual evoked potential
Electrodiagnosis
Eye disease
Treatment
Surgery
Binocular vision
Oculomotor syndrome
Child
ISSN:0191-3913, 1938-2405
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Shrnutí:ABSTRACT Purpose: To asses the effect of strabismus surgery on visual evoked potential (VEP) amplitude after age 5 years in children with acquired esotropia. Methods: Visual evoked potentials to binocular and monocular pattern reversal stimulation were recorded in 10 children aged 5 to 6 years before and 3 months after surgical correction of their esotropia. Visual function (fusion) was tested by synoptophore after strabismus surgery. Electrophysiological and clinical data were correlated following surgical intervention. Results: A significant increase in pattern VEP amplitudes was noted following strabismus surgery. Visual evoked potential changes were most prominent on binocular stimulation. Binocuiar fusion showed similarly significant improvement after intervention. Postoperative VEP data, however, were not consistently correlated with functional improvement. Conclusion: Surgical intervention in esotropia, even if performed years beyond the end of the classical critical period, can have a strong effect on binocular VEPs and a beneficial effect on the development of binocular fusion. Journal of Pediatric Ophthalmology and Strabismus 2001 ;38:83-88.
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ISSN:0191-3913
1938-2405
DOI:10.3928/0191-3913-20010301-09