[Mortality among workers in metallurgical industry: literature review.].

Background: The analysis of mortality offers an important indicator for assessing the state of workers' occupational health. Workers involved in the extraction, refining, alloying and manufacturing of metals are frequently exposed to occupational risks that can lead to their death. The objective of this work was to synthesize the scientific evidence about factors associated with mortality among workers in the metallurgical industry.

Computer vision syndrome in presbyopic digital device workers and progressive lens design.

Purpose: To estimate the prevalence of computer vision syndrome (CVS) in presbyopic digital device workers using two ophthalmic progressive lens designs during the working day, and to analyse the association of CVS with sociodemographic, occupational, digital device exposure and refractive factors.

Methods: This time series, quasi-experimental design study included 69 presbyopic digital device workers (age range: 46-69 years; mean ± SD = 54.7 ± 5.

Prevalence of Computer Vision Syndrome and Its Relationship with Ergonomic and Individual Factors in Presbyopic VDT Workers Using Progressive Addition Lenses.

This cross-sectional study estimated computer vision syndrome (CVS) prevalence and analysed its relationship with video display terminal (VDT) exposure, as well as sociodemographic, refractive, environmental, and ergonomic characteristics in 109 presbyopic VDT workers wearing progressive addition lenses (PALs). Usual spectacles were measured with a lens analyser, and subjective refraction was performed by an optometrist. CVS was measured with the CVS-Q©.