Results 1 to 10 of about 36,003 (283)

Convergence insufficiency

open access: yesKerala Journal of Ophthalmology, 2016
Convergence insufficiency is a common disorder of binocular vision in children and young adults. Common symptoms include eyestrain, headache, blurred vision, double vision, etc., Diagnosis of the condition involves a battery of tests for assessment of ...
Sanitha Sathyan   +3 more
doaj   +2 more sources

Convergence insufficiency and accommodative insufficiency in children [PDF]

open access: yesBMC 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   +3 more
doaj   +5 more sources

Convergence Insufficiency

open access: yesJurnal Kesehatan Andalas, 2018
Convergence Insufficiency digambarkan sebagai ketidakmampuan untuk mempertahankan konvergensi pada suatu objek ketika mata bergerak dari melihat jauh ke dekat, etiologynya belum jelas namun sering dikaitkan dengan kesulitan berakomodasi. Gejala CI paling
Adil Adil, Julita Julita
doaj   +3 more sources

Is the convergence insufficiency symptom survey applicable to elderly individuals? [PDF]

open access: yesBMC Ophthalmology
Background The psychometric properties of the Convergence Insufficiency Symptom Survey (CISS) have been previously determined across the younger adult population.
Saeid Abdi   +4 more
doaj   +2 more sources

Convergence Insufficiency/Divergence Insufficiency Convergence Excess/Divergence Excess: Some Facts and Fictions [PDF]

open access: yesCase 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   +4 more
doaj   +3 more sources

Prevalence and diagnostic signs of convergence insufficiency among schoolchildren in Kaohsiung, Taiwan: a cross-sectional study [PDF]

open access: yesBMC Ophthalmology
Background Despite extensive global research on convergence insufficiency (CI), school-based epidemiological data in Taiwan remain scarce. This study provides the first school-based estimate of CI prevalence and diagnostic characteristics among ...
Shuan-Yu Huang   +9 more
doaj   +2 more sources

Diagnostic values of questionnaires of Convergence Insufficiency Symptom Survey and College of Optometrists Vision Development Quality of Life in the screening of convergence insufficiency [PDF]

open access: yesInternational Journal of Ophthalmology
AIM: To compare and analyse the diagnostic efficacy of the College of Optometrists Vision Development Quality of Life Questionnaire (COVD-QOL) and the Convergence Insufficiency Symptom Survey (CISS) in detecting convergence insufficiency and to compare ...
Ling Xiong, Qian Chen, Ye Wu
doaj   +2 more sources

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

open access: yesAmerican 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   +3 more
doaj   +2 more sources

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

open access: yesInternational Journal of Ophthalmology, 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).
Yuan-Jin Li   +8 more
doaj   +2 more sources

Neural substrates of the oculomotor vergence network for concussion-related convergence insufficiency within the CONCUSS study [PDF]

open access: yesNeuroImage: Clinical
Concussion-related convergence insufficiency (CONC-CI) participants were compared to binocularly normal controls (BNC) using an fMRI stimulus-induced vergence oculomotor task to assess group-level differences in neural substrates.
Ayushi Sangoi   +6 more
doaj   +2 more sources

Home - About - Disclaimer - Privacy