Results 21 to 30 of about 749,022 (282)

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

CONVERGENCE INSUFFICIENCY [PDF]

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

The Influence of COVID-19 Isolation on Physical Activity Habits and Its Relationship with Convergence Insufficiency

, 2020
The purpose of this work is to evaluate the effects of confinement due to COVID-19 isolation on visual function, considering insufficient convergence as one of the possible effects of living the whole day in a reduced space.
Sillero Quintana, Manuel, Daniel Mon-López, Bernárdez Vilaboa, Ricardo, Antonio Alvarez Fernandez-Balbuena, Manuel Sillero-Quintana, Ricardo Bernardez-Vilaboa, Álvarez Fernández-Balbuena, Antonio, Mon López, Daniel   +7 more
core   +1 more source

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

One-year follow-up of clinical convergence measures in children enrolled in the Convergence Insufficiency Treatment Trial-Attention and Reading Trial. [PDF]

Ophthalmic Physiol Opt
Purpose: To assess the long-term stability of clinical measures of convergence (near point of convergence [NPC] and positive fusional vergence [PFV]) in participants enrolled in the Convergence Insufficiency Treatment Trial-Attention and Reading Trial ...
Morrison AM, Kulp MT, Cotter SA, Scheiman MM, Jenewein EC, Roberts TL, Mitchell GL, Arnold LE, Retnasothi D, Bade A, Hertle R, Borsting E, Convergence Insufficiency Treatment Trial—Attention and Reading (CITT‐ART) Investigator Group.   +12 more
europepmc   +2 more sources

The Relationship Between Attention, Dyslexia, and Convergence Insufficiency [PDF]

, 2023
Dyslexia and attention deficit hyperactivity disorder are two distinct conditions belonging to the same class of frequently and comorbidly diagnosed childhood and adolescent developmental disorders.
Kiyokawa, Janie M., Migrants, Tracy, Island, Heide   +2 more
core   +1 more source

Underlying neurological mechanisms associated with symptomatic convergence insufficiency

Scientific 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, Mitchell Scheiman, Cristian Morales, Suril Gohel, Ayushi Sangoi, Elio M. Santos, Chang Yaramothu, John Vito d’Antonio-Bertagnolli, Xiaobo Li, Bharat B. Biswal   +9 more
doaj   +1 more source

What went wrong? The flawed concept of cerebrospinal venous insufficiency [PDF]

, 2013
In 2006, Zamboni reintroduced the concept that chronic impaired venous outflow of the central nervous system is associated with multiple sclerosis (MS), coining the term of chronic cerebrospinal venous insufficiency ('CCSVI'). The diagnosis of 'CCSVI' is
Schreiber, SJ, Doepp, F, Schreiber, S.J., Paul, F., van Oosten, BW, Wattjes, MP, Paul, F, Valdueza, JM, Doepp, F., Wattjes, M.P., Schmierer, K, Valdueza, J.M., Schmierer, K., van Oosten, B.W.   +13 more
core   +1 more source