Results 1 to 10 of about 35,820 (279)

A Bayesian model of distance perception from ocular convergence. [PDF]

open access: yesPLoS Computational Biology, 2017
Ocular convergence is one of the critical cues from which to estimate the absolute distance to objects in the world, because unlike most other distance cues a one-to-one mapping exists between absolute distance and ocular convergence.
Peter Scarfe, Paul B Hibbard
doaj   +4 more sources

Ocular convergence deficits in schizophrenia [PDF]

open access: yesFrontiers in Psychiatry, 2012
Individuals with schizophrenia have been reported to exhibit a higher prevalence of convergence insufficiency (CI) than the normal adult population. The purpose of this study was to determine if individuals with schizophrenia exhibit clinical signs of CI
Mark S Bolding   +5 more
doaj   +3 more sources

Evaluation of ocular accommodation, convergence and fusional vergence changes during Ramadan [PDF]

open access: yesJournal of Fasting and Health, 2013
Purpose: There are a few researches regarding the effects of Islamic fasting on visual system. The aim of this study was to investigate the effects of Ramadan fasting on the amplitude of accommodation (AA), near point of convergence (NPC), positive and ...
Seyed Hosein Hoseini-Yazdi   +3 more
doaj   +6 more sources

Orthoptic Treatment After Strabismus Surgery in Child Intermittent Divergent Strabismus [PDF]

open access: yesChildren
Purpose: To evaluate short-term motor and sensory–motor outcomes following postoperative OT in children with IXT after strabismus surgery. Methods: This prospective before–after observational study included children with IXT who underwent bilateral ...
Pedro Lino   +2 more
doaj   +2 more sources

Impact of optical correction with ordinary spherocylindrical spectacle lenses versus defocus incorporated multiple segments (DIMS) spectacle lenses on ocular alignment and binocular visual function in teenagers with myopia [PDF]

open access: yesBMC Ophthalmology
Background To compare the effects of ordinary spherocylindrical spectacle lenses versus defocus incorporated multiple segments (DIMS) spectacle lenses on ocular alignment and binocular visual functions in teenagers with myopia over a 2-year period ...
Min Chai, Yaohong Wu
doaj   +2 more sources

Near Phoria and Near Point of Convergence Parameters in Children With Hearing and Speech Impairment: A Cross‐Sectional Study [PDF]

open access: yesHealth Science Reports
Background and Aims Children with hearing and speech impairment are reported to have a higher prevalence of refractive errors and amblyopia. Most studies conducted previously have not primarily concentrated on the binocular vision aspects of near vision ...
Jameel Rizwana Hussaindeen   +4 more
doaj   +2 more sources

Association between crystalline lens thickness and intermittent exotropia in children: a cross-sectional observational clinical study [PDF]

open access: yesEuropean Journal of Medical Research
Purpose To investigate the relationship between crystalline lens thickness (LT) and subtypes of intermittent exotropia (IXT) in children, focusing on ocular biometry and accommodation characteristics.
Jingxin Li   +8 more
doaj   +2 more sources

Effects of prolonged continuous computer gaming on physical and ocular symptoms and binocular vision functions in young healthy individuals [PDF]

open access: yesPeerJ, 2019
Background and Objective Addiction to computer gaming has become a social problem in Korea and elsewhere, and it has been enlisted as a mental health disorder by the World Health Organization.
Ji-Woo Lee   +4 more
doaj   +2 more sources

The ocular health and visual function status of sewing professionals of garment factories of Kathmandu Valley

open access: yesCogent Medicine, 2021
Sewing professionals are engaged in extensive near work in a small and intensely condensed workspaces, thereby exposing themselves to different ocular and vision-related problems.
Sadhana Sharma   +4 more
doaj   +1 more source

Accommodative convergence–accommodation ratio and fusional capacity in patients with constant and intermittent exotropia

open access: yesJournal of Ophthalmology, 2021
Background: It has been reported that exotropia was seen in 16.9-23% of patients with strabismus. Exophoria and exotropia may be caused by congenital or acquired anomalies in orbital structure, ocular structure, or extraocular muscle attachment and/or ...
I. M. Boichuk, Alui Tarak
doaj   +1 more source

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