Screening for convergence insufficiency in school‐age children
نویسندگان
چکیده
منابع مشابه
Convergence 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...
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 کاملScreening for convergence insufficiency using the CISS is not indicated in young adults
AIM This paper presents Convergence Insufficiency Symptom Survey (CISS) and orthoptic findings in a sample of typical young adults who considered themselves to have normal eyesight apart from weak spectacles. METHODS The CISS questionnaire was administered, followed by a full orthoptic evaluation, to 167 university undergraduate and postgraduate students during the recruitment phase of anothe...
متن کاملNon-surgical interventions for convergence insufficiency.
BACKGROUND Convergence insufficiency is a common eye muscle co-ordination problem in which the eyes have a strong tendency to drift outward (exophoria) when reading or doing close work. Symptoms may include eye strain, headaches, double vision, print moving on the page, frequent loss of place when reading, inability to concentrate, and short attention span. OBJECTIVES To systematically assess...
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ژورنال
عنوان ژورنال: Clinical and Experimental Optometry
سال: 2018
ISSN: 0816-4622,1444-0938
DOI: 10.1111/cxo.12661