Results: 5

Digital asthenopia: blue-blocking lenses and + 0,40D additional power in the near zone, for eye strain, accommodation and convergence functions

Rev. bras. oftalmol; 81 (), 2022
ABSTRACT Purpose Evaluate blue-violet light filter and additional power of +0.40 D in the near zone ophthalmic lenses, on convergence, accommodative functions, and symptoms of digital asthenopia (DA). Methods Randomized study in cross-over design conducted on 49 volunteers (age, 29 ± 5.5 years; male...

Asthenopia in bankers: identification and analysis of risk factors

Rev. bras. oftalmol; 76 (2), 2017
Abstract Objective: To evaluate the prevalence of asthenopia in a cohort of bank employees and identify possible associated risk factors. Methods: Cross-sectional study based on information supplied by bankers in response to a standardized electronic questionnaire. Results: The questionnaire was respo...

Refração e síndrome de fadiga visual no uso de sistema de televisão ULTRA- HD-3D- 4K de tela curva

Rev. bras. oftalmol; 75 (4), 2016
RESUMO Objetivo: Avaliar uma possível desordem de sensibilidade ocular (similar a glare), com sintomas de fadiga visual, através da observação de tela de televisão ULTRA HD- 3D- 4K de tela curva de 55 polegadas, em voluntários com exame oftalmológico normal. Métodos: Um estudo prospectivo, long...

Estudio de la función visual en el trabajo con computadoras
[Visual function study in work with computer]

Medicina (B.Aires); 62 (2), 2002
This investigation searched for the relationship between amount of nearwork, asthenopic symptoms and visual function, in a group of office workers engaged in telemarketing. Phoria, monocular accommodative facility with +/- 2 lens flippers and near point of convergence were measured in 100 office workers ...

Factores de riesgo para la astenopía en operadores de terminales de computadoras
Risk factors for asthenopia among video display terminal operators

Salud pública Méx; 38 (3), 1996
Objetivo. Establecer si la incidencia de astenopía (fatiga visual) es mayor en operadores de terminales de computadoras que en trabajadores administrativos no expuestos, así como identificar los factores de riesgo asociados. Material y métodos. Se estudió una muestra de 35 operadores de terminales de...