Results 11 to 20 of about 10,491 (249)

Study of primary convergence insufficiency

Indian Journal of Ophthalmology, 1991
The present study was done to find out the incidence of primary insufficiency of involuntary convergence and evaluate the relative efficacy of synoptophore treatment against home exercise in its management.
Deshpande Shreerang, Ghosh R
doaj   +2 more sources

Convergence insufficiency

Indian Journal of Ophthalmology, 1961
Dhir B
doaj   +1 more source

Convergence insufficiency symptom survey (CISS) scores are predictive of severity and number of clinical signs of convergence insufficiency in young adult Africans [PDF]

Journal of Optometry, 2022
Stephen Ocansey, Charles Darko-Takyi
exaly   +2 more sources

Binocular Vision Anomalies in Children and Young Adults and Effectiveness of Vision Therapy

Delhi Journal of Ophthalmology, 2022
Purpose: To figure out the frequency of binocular vision (BV) anomalies in children and young adults with symptoms like blurring, headache, or eyestrain and evaluate vision therapy’s effectiveness (VT).
Mohammad Mostafa Hossain, Quazi Sazzad Iftekhar, Sidratul Muntaha Naznin, Shift Toufique Mamunur Rashid Chowdhury, Md Mehedi Hasan   +4 more
doaj   +1 more source

An unusual presentation of convergence insufficiency in a patient with Parkinson's disease stimulated by deep brain stimulation

American Journal of Ophthalmology Case Reports, 2022
Purpose: To report convergence insufficiency in a patient with Parkinson's’ disease stimulated by turning on the deep brain stimulator. Observations: 72-year-old male with Parkinson's disease and hypertension presenting for the evaluation of blurry ...
Rayan Abou Khzam, Nahia Dib El Jalbout, Roland Seif, Ama Sadaka   +3 more
doaj   +1 more source

Virtual reality-based vision therapy versus OBVAT in the treatment of convergence insufficiency, accommodative dysfunction: a pilot randomized controlled trial

BMC Ophthalmology, 2022
Background Virtual reality is being increasingly applied in vision therapy. However, the differences in effectiveness, optimal treatment cycle, and prognosis between virtual reality-based vision therapy and traditional therapies remain unknown.
Shijin Li, Angcang Tang, Bi Yang, Jianglan Wang, Longqian Liu   +4 more
doaj   +1 more source

Is there an association between convergence insufficiency and refractive errors?

African 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

CONVERGENCE INSUFFICIENCY [PDF]

Journal of the American Medical Association, 1914
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openaire   +2 more sources

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

Frontiers 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, Erin Van Dok, Victoria S. Pelak, Victoria S. Pelak   +3 more
doaj   +1 more source

Convergence Insufficiency/Divergence Insufficiency Convergence Excess/Divergence Excess: Some Facts and Fictions

Case Reports in Ophthalmological Medicine, 2015
Great discrepancies are often encountered between the distance fixation and the near-fixation esodeviations and exodeviations. They are all attributed to either anomalies of the AC/A ratio or anomalies of the fusional convergence or divergence amplitudes.
Edward Khawam, Bachir Abiad, Alaa Boughannam, Joanna Saade, Ramzi Alameddine   +4 more
doaj   +1 more source