Results 91 to 100 of about 4,403 (226)

P3-1: Ophthalmologic Factors Influencing Asthenopia with Watching 3D Displays

open access: yesi-Perception, 2012
Purpose: To identify ophthalmologic factors influencing asthenopia while watching 3D displays. Methods: 30 adult subjects without ophthalmologic abnormality watched the same 3D displays for 30 minutes.
Sungwook Wee, Namju Moon
doaj   +1 more source

The consequences of strabismus and the benefits of adult strabismus surgery [PDF]

open access: yes, 2016
Strabismus has a negative impact on patients’ lives regardless of their age. Factors such as self-esteem, relationships with others, education and the ability to find employment may all be negatively affected by strabismus.
Astle, Andrew T.   +2 more
core  

Evaluation of convergence, accommodation and fusional vergence in pre-presbyopes with asthenopia

open access: yesAfrican Vision and Eye Health
Background: Pre-presbyopes may suffer from ocular symptoms such as asthenopia of near work. Aim: This study aimed to evaluate near points of convergence, amplitudes of accommodation, and fusional vergence among pre-presbyopes with asthenopia symptoms ...
Saif H. Alrasheed, Saeed Aljohani
doaj   +1 more source

Deteriorament de l'atenció visual en relació a l'esforç acomodatiu o de vergències: canvis en la sensibilitat [PDF]

open access: yes, 2015
La visió estereoscòpica és l’habilitat que ens permet diferenciar les distàncies relatives dels objectes respecte el punt de vista del observador i entre altes objectes mitjançant la visió binocular.
Marti Algaba, Carlos
core  

Vergence Neural Pathways: A Systematic Narrative Literature Review. [PDF]

open access: yes, 2016
Research in the neural pathway for vergence is less understood in comparison to the other four visual eye movements. The aim of this study was to review the literature on vergence neural pathways and associated disorders.
Rowe, Fiona J, Searle, Annabelle
core   +1 more source

Vision and Reading Difficulties Part 4: Coloured filters - how do they work? [PDF]

open access: yes, 2009
This article is the fourth in a series of five about vision and reading difficulties. The first article provided a general overview and the second covered conventional optometric correlates of reading difficulties (e.g. binocular vision problems).
Allen, Peter M   +2 more
core  

Exploring the association between asthenopia, vergence measures and the interpupillary distance

open access: yesAfrican Vision and Eye Health
Background: Exploring the possible association between Interpupillary distance (IPD), and vergence parameters (VPs) and asthenopia may give an impression of a vergence disorder (VD).
Charles Darko-Takyi   +6 more
doaj   +1 more source

The influence of near point of convergence training on the accommodative facility [PDF]

open access: yes, 2017
El propòsit d’aquest estudi pilot era determinar si entrenant el punt pròxim de convergència utilitzant el mètode del push-up durant 3 minuts, la flexibilitat acomodativa millorava per la seva relació d’associació.
Figuls Riu, Maria
core  

Mechanism of Blue Light-Induced Asthenopia and the Ameliorating Effect of Tranexamic Acid

open access: diamond, 2023
Keiichi Hiramoto   +5 more
openalex   +2 more sources

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