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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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