Results 41 to 50 of about 4,403 (226)

Analysis of influencing factors and prediction model construction for asthenopia in mental laborers [PDF]

open access: yesYixue xinzhi zazhi
Objective To analyze influencing factors of asthenopia among mental laborers, and construct a predictive model. Methods This cross-sectional study included mental laborers. Basic information, lifestyle habits, and ocular health were collected.
WANG Hui   +7 more
doaj   +1 more source

Correlation between the use of the accommodation and symptoms of asthenopia in hyperopic patients

open access: yesRevista Brasileira de Oftalmologia, 2015
Purpose: The objective of this paper was to compare the symptoms of asthenopia in patients at different levels of hyperopia and corrected for different accommodative efforts. Methods: This study is an experimental design and quantitative approach.
Juan Carlos Luna da Costa   +6 more
doaj   +1 more source

Real-Time Non-Intrusive Assessment of Viewing Distance During Computer Use [PDF]

open access: yes, 2016
Purpose: To develop and test the sensitivity of an ultrasound-based sensor to assess the viewing distance of visual display terminals operators in real-time conditions. Methods: A modified ultrasound sensor was attached to a computer display to assess
Argilés Sans, Marc   +5 more
core   +2 more sources

Inappropriate prescription of prism glasses for obligate fixation disparity measured with the Pola test [PDF]

open access: yes, 1993
In the subjective measurement of fixation disparity (FD), the subject sees and fuses contours presented in the peripheral macular areas of both eyes ('fusion loek', a square for instanee).
Simonsz, H.J. (Huib)   +1 more
core   +5 more sources

The Computer-Vision Symptom Scale (CVSS17): Development and Initial Validation [PDF]

open access: yes, 2014
Purpose.: To develop a questionnaire (in Spanish) to measure computer-related visual and ocular symptoms (CRVOS). Methods.: A pilot questionnaire was created by consulting the literature, clinicians, and video display terminal (VDT) workers. The replies
Antona Peñalba, Beatriz   +4 more
core   +1 more source

A reliable and valid questionnaire was developed to measure computer vision syndrome at the workplace [PDF]

open access: yes, 2015
Objectives: To design and validate a questionnaire to measure visual symptoms related to exposure to computers in the workplace. Study Design and Setting: Our computer vision syndrome questionnaire (CVS-Q) was based on a literature review and validated ...
Cabrero-García, Julio   +4 more
core   +2 more sources

Combined Virtual Reality and Physical Activity Mitigates Mental Workload, Physical Exertion, and Simulator Sickness Compared to Virtual Reality Only in Older Adults

open access: yesAlzheimer's &Dementia, Volume 21, Issue S6, December 2025.
Abstract Background Virtual reality (VR) interventions offer immersive cognitive training experiences for older adults; however, challenges such as simulator sickness and cognitive workload can impact participation and adherence. Integrating physical activity, such as stationary cycling, with VR may alleviate these challenges and improve engagement ...
Cynthia Angela Nyongesa   +12 more
wiley   +2 more sources

Effect of recombinant human nerve growth factor eye drops in patients with dry eye: a phase IIa, open label, multiple-dose study [PDF]

open access: yes, 2019
Background: Dry eye disease (DED) affects more than 14% of the elderly population causing decrease of quality of life, high costs and vision impairment.
Allegretti, M.   +7 more
core   +1 more source

Characterization of Visual Symptomatology Associated with Refractive, Accommodative, and Binocular Anomalies [PDF]

open access: yes, 2015
Purpose. To characterize the symptomatology of refractive, accommodative, and nonstrabismic binocular dysfunctions and to assess the association between dysfunctions and symptoms. Methods. 175 randomised university students were examined.
Cacho-Martínez, Pilar   +3 more
core   +7 more sources

Screen exposure time and computer vision syndrome in school-age children during COVID-19 era: A cross-sectional study

open access: yesJournal of Clinical Ophthalmology and Research, 2022
Purpose: With the advent of COVID-19 era, teaching activities have migrated from offline to online platform. In this study, we assess whether the increased exposure to visual display terminal (VDT) devices is affecting the health of school-age children ...
Nandita Chaturvedi   +2 more
doaj   +1 more source

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