We also report the clinical and demographic characteristics of patients. It is to be administered before any other clinical testing. Harrison RL. 34 Eligible patients who consented to participate were enrolled in the study, and the measures taken at their eligibility examination were used as the study baseline measures. 8. At that time the group used the acronym CIRS (Convergence Insufficiency Reading Study). 3, March 2002 Objective: This report describes the design and methodology of the Convergence Insufficiency Treatment Trial (CITT), the first large-scale, placebo-controlled, randomized clinical trial evaluating treatments for convergence insufficiency (CI) in children. Eye coordination problems like convergence insufficiency generally cannot be improved with eye glasses or surgery. Convergence Insufficiency Treatment Trial Study Group. Optom Vis Sci, 2009;86(9):1096-103. 2008;126(10):1336-49. Convergence Insufficiency Treatment Trial (CITT) Study Group. Approximately 208 subjects will be entered into the study and assigned to one of four treatment groups. If convergence insufficiency isn't causing symptoms, you generally don't need treatment. 5. The convergence insufficiency treatment trial: design, methods, and baseline data. Treatment, which can take place in the office with a trained therapist or at your home, might include: Pencil pushups. Treatment . Scheiman M, Cotter S, Kulp M, Convergence Insufficiency Treatment Trial Study Group, et al. A Study of Clinical Characteristics, Treatments, and One-Year Outcomes of Adults with Strabismus Rochester, MN . The convergence insufficiency treatment trial: design, methods, and baseline data. Note the various ways in which he attempts to avoid using both eyes together. R. John Leigh and David S. Zee. The Neurology of Eye Movements. Convergence Insufficiency Treatment Trial Study Group. Validity of the convergence insufficiency symptom survey: a confirmatory study. Vergence Eye Movements. If you have this condition, one or both eyes move outward when you look at a nearby object. Harrison RL. Because results of pencil push-ups varied so much, a study was conducted by the National Eye Institute is known as the Convergence Insufficiency Treatment Trial (CITT). Convergence Insufficiency Treatment Trial (CITT) Investigator Group. Long-term effectiveness of treatments for symptomatic convergence insufficiency in children. In 2005, the Convergence Insufficiency Treatment Trial (CITT) published two randomized clinical studies. The Convergence Insufficiency Treatment Trial is the first large-scale, randomized clinical trial to evaluate active treatments for symptomatic CI in children. The convergence insufficiency treatment trial: design, methods, and baseline data. 2008 Jan-Feb. 15 (1):24-36. . Treatment of symptomatic convergence insufficiency in children enrolled in the convergence insufficiency treatment trial-attention & reading trial: a randomized clinical trial… The Convergence Insufficiency Treatment Trial–Attention & Reading Trial Investigator Group Clinical Sites. 5. Optometry and Vision Science, Vol. This was the first well-designed study comparing the different treatments. this treatment was as effective or more effective than the other treatment modalities in the survey. But for people with symptoms, treatment with eye-focusing exercises can increase the eyes' convergence ability. About the Convergence Insufficiency Treatment Trial (CITT) This study is comparing treatments for an eye-teaming problem called convergence insufficiency in children ages 9 to 17 years of age. N2 - Objective: This report describes the design and methodology of the Convergence Insufficiency Treatment Trial (CITT), the first large-scale, placebo-controlled, randomized clinical trial evaluating treatments for convergence insufficiency (CI) in children. The purpose of this study was to report changes in clinical signs and symptoms of convergence insufficiency (secondary outcome measures) from a multicenter clinical trial (Convergence Insufficiency Treatment Trial-Attention & Reading Trial [CITT-ART]) evaluating the effectiveness of vergence/accommodative therapy for improving reading and attention in children with symptomatic convergence … Randomised clinical trial of the effectiveness of base-in prism reading glasses versus placebo reading glasses for symptomatic convergence insufficiency in children. 2008 Jan-Feb. 15 (1):24-36. . The first, published in Archives of Ophthalmology demonstrated that computer exercises when combined with office based vision therapy/orthoptics were more effective than "pencil pushups" or computer exercises alone for convergency insufficiency in 9- to 18-year-old children. 152 Treatment Modalities for Convergence Insufficiency—Scheiman et al. 9. A multi-center clinical study, called the Convergence Insufficiency Treatment Trial, was designed to compare different treatment options for convergence insufficiency in children. 79, No. Current studies in the form of randomized control trials (RCT) indicate that office-based therapy together with home therapy is the most effective treatment at reducing symptoms and clinical findings. Sites are listed in order of the number of participants enrolled in the study, with the number enrolled listed in parentheses preceded by the clinical site name and location. Convergence Insufficiency Treatment Trial Attention & Reading Trial (CITT-ART) Watch the following video of a boy with convergence insufficiency attempt to read. Treatment. The study, funded by NIH’s National Eye Institute (NEI), appeared in the October 13, 2008, issue of Archives of Ophthalmology. 3. 4. Convergence insufficiency is when the eyes have trouble working together when reading or doing close work, which can cause eyestrain, blurred vision, headaches, and an inability to concentrate. Oxford University Press; 2015. Vergence Eye Movements. Randomized clinical trial of treatments for symptomatic convergence insufficiency in children. Objective: This report describes the design and methodology of the Convergence Insufficiency Treatment Trial (CITT), the first large-scale, placebo-controlled, randomized clinical trial evaluating treatments for convergence insufficiency (CI) in children.We also report the clinical and demographic characteristics of patients. 2,3,4 Results from the earlier Convergence Insufficiency Treatment Trial (CITT), published in Ophthalmology in 2008, showed office-based vision therapy to be the most effective treatment for improving convergence and ameliorating symptoms, and that treatment effects were long-lasting. Rouse M, Borsting E, Mitchell G, et al. Ophthalmic Epidemiol. Active treatment: A multi-site randomized clinical trial funded by the National Eye Institute called the Convergence Insufficiency Treatment Trial showed: The best treatment for CI is supervised vision therapy in a clinical office with home reinforcement (15 minutes of prescribed vision exercises done in the home five days per week). Identification of the most effective treatment regimen is important because of the high prevalence of this binocular vision disorder and its potential effect on reading and other near visual activities. Procedure 1. A program of vision therapy may be needed to improve eye coordination abilities, reduce symptoms, and alleviate discomfort when doing close work.. The Convergence Insufficiency Treatment Trial Group found that for adults aged 19-30, 50% receiving office-based vision therapy for CI were either “improved” or “cured” after 12 weeks based on symptoms and clinical measures. This is a study for children age 9 to 14 with convergence insufficiency. Oxford University Press; 2015. Long-term effectiveness of treatments for symptomatic convergence insufficiency in children. The 12-week study, known as the Convergence Insufficiency Treatment Trial (CITT), found that approximately 75 percent of those who received in-office therapy by a trained therapist plus at-home treatment reported fewer and less severe symptoms related to reading and other near work. Convergence Insufficiency Symptom Survey (CISS) Administration Convergence Insufficiency Symptom Survey (CISS) Description The CISS is a 15-item questionnaire designed to assess the severity of the subject’s convergence insufficiency (CI) symptoms. Convergence insufficiency (CI) is an eye disorder where your eyes don’t move at the same time. The purpose of this study is to describe clinical characteristics, treatments, and one-year outcomes for adults who have convergence insufficiency, divergence insufficiency… We also report the clinical and demographic characteristics of patients. 2008; 15:24-36. Convergence Insufficiency Treatment Trial (CITT) Study Group. [2] Convergence insufficiency treatment trial (CITT) Convergence insufficiency can only be detected and diagnosed during an eye examination, said principal investigator of the CITT, Prof Mitchell Scheiman, O.D., Chief, Pediatric Binocular Vision Service at The Eye Institute of … Scheiman M, Cotter S, Rouse M, et al. The Convergence Insufficiency Treatment Trial (CITT) Investigator group was first conceived in December 1992 at the annual meeting of the American Academy of Optometry. Ophthalmic Epidemiol. Ophthalmic Epidemiol. Convergence Insufficiency Treatment Trial–trained and –certified ophthalmologists or optometrists performed all testing using a previously described standardized protocol. Arch Ophthalmol. The Neurology of Eye Movements. This treatment sequence is a wellaccepted approach for treatment of convergence insufficiency and has been successfully implemented in previous randomized clinical trials (Scheiman et al., 2008;. Convergence Insufficiency (CI) Nowadays, there appears to be sufficient evidence supporting vision therapy (orthoptic therapy) for the treatment of symptomatic CI. Both optometry and … R. John Leigh and David S. Zee. 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