Results 11 to 20 of about 10,223 (211)

Convergence insufficiency and accommodative insufficiency in children

BMC Ophthalmology, 2019
Purpose Convergence and accommodative insufficiency represent the main cause of complaints during close visual work and can reduce visual performance and comfort.
Amélia F. Nunes, Pedro M. L. Monteiro, Francisco B. P. Ferreira, António S. Nunes   +3 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

Effects of slanted bilateral lateral recession vs conventional bilateral lateral recession on convergence insufficiency intermittent exotropia: a prospective study. [PDF]

Int J Ophthalmol, 2023
AIM: To observe the surgical effects of slanted bilateral lateral recession (S-BLR) versus conventional bilateral lateral recession (C-BLR) in convergence insufficiency intermittent exotropia (CI-IXT).
Li YJ, Huang XQ, Yi BQ, Zhao YJ, Hu DW, Ma RT, Li WP, Ye MH, Zhou LH.   +8 more
europepmc   +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

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

Home vision therapy and prism prescription in presbyopic persons with convergence insufficiency: study protocol for a randomized controlled trial. [PDF]

BMC Ophthalmol
Background Convergence insufficiency is a common issue in the field of binocular vision. Various treatment options have been suggested for managing this condition, but their efficacy in individuals with presbyopia remains unclear.
Abdi S, Kangari H, Rahmani S, Baghban AA, Rad ZK.   +4 more
europepmc   +2 more sources

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

Effectiveness of vision therapy in school children with symptomatic convergence insufficiency

Journal 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, Jung Yun Jang, Kim Tai-hyung, Hwang Woon Moon   +3 more
doaj   +1 more source

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

Kerala 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, Uma Paul, Prajakta Paritekar   +2 more
doaj   +1 more source

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

Journal 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