Visual symptoms and convergence insufficiency in university teachers
نویسندگان
چکیده
منابع مشابه
Convergence Insufficiency, Accommodative Insufficiency, Visual Symptoms, and Astigmatism in Tohono O'odham Students
Purpose. To determine rate of convergence insufficiency (CI) and accommodative insufficiency (AI) and assess the relation between CI, AI, visual symptoms, and astigmatism in school-age children. Methods. 3rd-8th-grade students completed the Convergence Insufficiency Symptom Survey (CISS) and binocular vision testing with correction if prescribed. Students were categorized by astigmatism magnitu...
متن کاملSymptoms in children with convergence insufficiency: before and after treatment.
PURPOSE To investigate symptom patterns and evaluate the relationship between patient characteristics and symptom severity before and after treatment for symptomatic children with convergence insufficiency (CI). METHODS In a randomized clinical trial, the convergence insufficiency symptom survey was administered pre- and posttreatment to 221 children aged 9 to <18 years with symptomatic CI. F...
متن کاملAccommodative insufficiency is the primary source of symptoms in children diagnosed with convergence insufficiency.
PURPOSE Accommodative insufficiency (AI) and convergence insufficiency (CI) have been associated with similar symptomology and frequently present at the same time. The severity of symptomology in CI has been linked to the severity of the CI, suggesting a dose-dependent relationship. However, with increasing severity of CI also comes increased comorbidity of AI. AI alone has been shown to cause ...
متن کاملConvergence Insufficiency
Types of Convergence (1) Voluntary Convergence – Amount of Convergence of visual axes that can be produced at will (2) Reflex convergence Convergence of visual axes which is not under complete voluntary control and it has four components – a. Tonic convergence – Due to inherent innervational tone of extra ocular muscles. b. Fusional convergence -The convergence that is produced to ensure that s...
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ژورنال
عنوان ژورنال: Revista Brasileira de Oftalmologia
سال: 2017
ISSN: 0034-7280
DOI: 10.5935/0034-7280.20170050