Results 21 to 30 of about 36,003 (283)

Is there an association between convergence insufficiency and refractive errors?

open access: yesAfrican Vision and Eye Health, 2017
Background: Refractive errors and convergence insufficiency play major roles in reading efficiency. Uncorrected refractive errors are a primary cause of binocular anomalies, including convergence insufficiency.
Samuel Otabor Wajuihian
doaj   +1 more source

Orthoptic status before and immediately after heroin detoxification [PDF]

open access: yes, 2004
Aim: To determine whether changes in orthoptic status take place during withdrawal from heroin and/or methadone. Method: A prospective study of patients, using a repeated measures design, attending a 5 day naltrexone compressed opiate detoxification ...
Beaini, A.Y.   +3 more
core   +2 more sources

A shared-parameter continuous-time hidden Markov and survival model for longitudinal data with informative dropout [PDF]

open access: yes, 2019
A shared-parameter approach for jointly modeling longitudinal and survival data is proposed. With respect to available approaches, it allows for time-varying random effects that affect both the longitudinal and the survival processes. The distribution of
Andersen   +49 more
core   +1 more source

Underlying neurological mechanisms associated with symptomatic convergence insufficiency

open access: yesScientific Reports, 2021
Convergence insufficiency (CI) is the most common binocular vision problem, associated with blurred/double vision, headaches, and sore eyes that are exacerbated when doing prolonged near work, such as reading.
Tara L. Alvarez   +9 more
doaj   +1 more source

Co-occurrence of Convergence Insufficiency and Cognitive Impairment in Parkinsonian Disorders: A Pilot Study

open access: yesFrontiers in Neurology, 2019
Background: Convergence insufficiency (CI) in parkinsonian conditions causes disabling visual symptoms during near tasks and usually manifests as double vision.
Samantha K. Holden   +3 more
doaj   +1 more source

Effectiveness of vision therapy in school children with symptomatic convergence insufficiency

open access: yesJournal of Ophthalmic & Vision Research, 2017
Purpose: To determine the effectiveness of vision therapy among Korean elementary school children with convergence insufficiency. Methods: A total of 235 elementary schoolchildren, 10.13 ± 2.45 years of age, were subjected to thorough eye examination ...
Jung Un Jang   +3 more
doaj   +1 more source

Non-strabismic Binocular Vision Dysfunction among the Medical Students of a Teaching Hospital: A Descriptive Cross-sectional Study

open access: yesJournal of Nepal Medical Association, 2022
Introduction: Non-strabismic binocular vision dysfunctions are visual disorders that affect the person’s binocular vision and visual outcome while performing near tasks and are very common among medical students.
Pooja Shrestha, Raju Kaiti
doaj   +1 more source

Screening for convergence insufficiency using the CISS is not indicated in young adults [PDF]

open access: yes, 2014
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.
Anna M Horwood   +26 more
core   +1 more source

Retrospective study of effect of therapy on computer vision syndrome patients having convergence insufficiency

open access: yesKerala Journal of Ophthalmology, 2017
Aim: To study effect of therapy among computer users having convergence insufficiency. Materials and Methods: Hundred people between age group of 20-35 and who worked in IT companies were enrolled in the study.
Nidhi Tiwari   +2 more
doaj   +1 more source

Clinical Profile of Non Strabismic Binocular Vision Anomalies in MBBS and Nursing Students in a Teaching Hospital: A Cross-sectional Study [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2022
Introduction: Bachelor of Medicine and Bachelor of Surgery (MBBS) and nursing students spend a lot of time in near vision activities daily while studying.
Rohit Pratap Tiwari   +5 more
doaj   +1 more source

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