Please use this identifier to cite or link to this item: https://hdl.handle.net/11499/5561
Title: Distance alternate-letter suppression test for objective assessment of sensorial status in intermittent exotropia
Authors: Yıldırım, Cem
Altinsoy, H.I.
Keywords: Distance alternate-letter suppression testing
Distance stereo acuity
Intermittent exotropia
article
controlled study
diagnostic value
divergent strabismus
functional assessment
human
major clinical study
priority journal
stereoscopic vision
visual acuity
Adolescent
Adult
Child
Child, Preschool
Depth Perception
Exotropia
Female
Health Status
Humans
Male
Middle Aged
Vision Tests
Vision, Binocular
Visual Acuity
Abstract: PURPOSE. To investigate the value of distance alternate-letter suppression testing in the objective assessment of fusional control of intermittent exotropia. METHODS. A total of 71 consecutive patients with intermittent exotropia (study group) and 112 normal subjects (control group) underwent a series of measurements including distance alternate-letter suppression testing, Worth 4 Dot test at distance and near, and distance and near stereo acuity tests to see whether sensorial behavior differed in the study and control groups. The distance alternate-letter suppression test and distance stereo acuity tests were performed using the Mentor B-VAT II-SG Video Acuity Tester and Binocular Vision Testing System. The TNO test was used to measure near stereo acuity. RESULTS. Seventeen patients with intermittent exotropia (24%) presented suppression with the distance alternate-letter suppression test, but none of the normal subjects (p<0.001, ?2 test). Only, three patients (4%) showed suppression on the Worth 4 Dot test at distance, and aft had fusion on the Worth 4 Dot test near. Patients with intermittent exotropia had significantly diminished distance stereo acuity compared to normal subjects (p<0.001). Normal subjects and patients had good near stereo acuity (p>0.05). Patients with intermittent exotropia who had fusion with the distance alternate-letter suppression test had significantly better distance stereo acuity than patients who had suppression (p<0.001). CONCLUSIONS. Distance alternate-letter suppression testing and distance stereo acuity tests may be useful as objective measures for assessing sensory loss in patients with intermittent exotropia.
URI: https://hdl.handle.net/11499/5561
ISSN: 1120-6721
Appears in Collections:PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
Tıp Fakültesi Koleksiyonu
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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