Every Year of Education Increases Risk For Nearsightedness

Other research has associated higher light exposure with lower myopia risk, and it is possible that individuals who spend more time in education have less exposure to natural light. Currently, 30-50 per cent of adults in the USA and Europe are myopic, with levels of 80-90 per cent reported in school leavers in some East Asian countries. Nearly 10% of these people (around 9 million) will have high myopia, which carries a greater risk of blindness.

THURSDAY, June 7, 2018 (HealthDay News) - More time spent in education seems to be a causal risk factor for myopia, according to a study published online June 6 in The BMJ. It's been observed that children with myopia are more studious, or socioeconomic position and a higher level of education leads to myopia.

Analysing genetic information in this way avoids some of the problems that afflict traditional observational studies, making the results less prone to unmeasured (confounding) factors, and therefore more likely to be reliable.

Spending more years in full time education increases the risk of developing short-sightedness or myopia - a leading cause of visual impairment worldwide, a study has found. A United Kingdom university graduate with 17 years of education would be at least -1 dioptre more myopic, on average, than someone who left school at age 16 with 12 years of education. The level of difference between the two would mean the college graduate would need to wear glasses for tasks like driving a auto, notes Science Daily.

Examine writer Dr Denize Atan, of Bristol College, mentioned: "This research reveals that publicity to extra years in schooling contributes to the rising prevalence of myopia, and highlights a necessity for additional analysis and dialogue about how instructional practices is perhaps improved to attain higher outcomes with out adversely affecting imaginative and prescient".

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By contrast, there was little evidence to suggest that myopia led people to remain in education for longer.

One limitation of the study was the use of data from the U.K. Biobank. They acknowledge that the people in their database were generally healthier than the general population, which could lead to bias. But there was insufficient evidence that this could explain the findings.

Experts pointed to the experience in East Asia, where schooling means early intense educational pressures and little time for play outdoors.

The authors of the study suggested schools should try to ensure children spent more time outdoors. It is not known whether "Bright Light" classrooms provide protection against myopia and replicate the effects of increasing time spent outdoors and the research team suggest that future studies could look at whether this intervention works against myopia.

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