Sentences with phrase «increased myopia»

Researchers found that using blackboards had a «protective effect» against nearsightedness when examined as a variable alone, possibly because blackboards do not require the kind of close - up focusing that may increase myopia.

Not exact matches

This includes an increased risk of subnormal visual acuity, visual perceptual problems, strabismus, refractive errors (particularly high myopia) and reduced contrast sensitivity and visual fields.

As reported in previous studies, myopia was also associated with increased curvature of the lens.

«While screens are contributing to children spending more time indoors than in previous years, the research shows they are not the direct cause of the increased incidence of myopia,» he said.

«It looks like even for those with myopia already, increasing time outside is likely to reduce progression.»

Increasing exposure to outdoor light is the key to reducing the myopia (short - sightedness) epidemic in children, according to ground - breaking research by Australian optometrists.

Half the world's population (nearly 5 billion) will be myopic by 2050 they predict, with up to one - fifth of them (1 billion) in the high myopia category, and at a significantly increased risk of blindness, if behavioural interventions and optical treatments are not developed and implemented.

The rapid increase in the prevalence of myopia globally is attributed to, «environmental factors (nurture), principally lifestyle changes resulting from a combination of decreased time outdoors and increased near work activities, among other factors,» say the authors from Brien Holden Vision Institute, University of New South Wales Australia and Singapore Eye Research Institute.

The findings point to a major public health problem, with the authors suggesting that planning for comprehensive eye care services are needed to manage the rapid increase in high myopes (a five-fold increase from 2000), along with the development of treatments to control the progression of myopia and prevent people from becoming highly myopic.

The number with vision loss from high myopia is expected to increase seven-fold from 2000 to 2050, with myopia to become a leading cause of permanent blindness worldwide.

Myopia also appears to be increasing, more slowly, in populations of European and Middle Eastern origin.

Possible side effects include increased urinary volume, numbness, tingling, nausea, drowsiness, myopia and temporary impotence.