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Researchers predicted in a new activitiescausecombinationdefinitedifficultyearlyfarawayhalfincreasejournalnearonsetoutdoorspopulationreportrisescreensteenagerstermtime published in the activitiescausecombinationdefinitedifficultyearlyfarawayhalfincreasejournalnearonsetoutdoorspopulationreportrisescreensteenagerstermtime Opthalmology that by 2050, activitiescausecombinationdefinitedifficultyearlyfarawayhalfincreasejournalnearonsetoutdoorspopulationreportrisescreensteenagerstermtime of the world's activitiescausecombinationdefinitedifficultyearlyfarawayhalfincreasejournalnearonsetoutdoorspopulationreportrisescreensteenagerstermtime will be short-sighted. The medical activitiescausecombinationdefinitedifficultyearlyfarawayhalfincreasejournalnearonsetoutdoorspopulationreportrisescreensteenagerstermtime for this condition is myopia. It is also known as near-sightedness. It is when we have activitiescausecombinationdefinitedifficultyearlyfarawayhalfincreasejournalnearonsetoutdoorspopulationreportrisescreensteenagerstermtime focusing on objects that are far away from us. The researchers say that around 4.8 billion people will suffer from myopia. This is a seven-fold activitiescausecombinationdefinitedifficultyearlyfarawayhalfincreasejournalnearonsetoutdoorspopulationreportrisescreensteenagerstermtime in cases from 2000 to 2050. Sixty years ago, around 15 per cent of the Chinese population was short-sighted. Now, almost 90 per cent of Chinese activitiescausecombinationdefinitedifficultyearlyfarawayhalfincreasejournalnearonsetoutdoorspopulationreportrisescreensteenagerstermtime and young adults have trouble seeing activitiescausecombinationdefinitedifficultyearlyfarawayhalfincreasejournalnearonsetoutdoorspopulationreportrisescreensteenagerstermtime objects. A recent survey found that up to 95 per cent of teenagers in South Korea are activitiescausecombinationdefinitedifficultyearlyfarawayhalfincreasejournalnearonsetoutdoorspopulationreportrisescreensteenagerstermtime-sighted.

The researchers said they could not pinpoint activitiescausecombinationdefinitedifficultyearlyfarawayhalfincreasejournalnearonsetoutdoorspopulationreportrisescreensteenagerstermtime reasons for this phenomenon and say it could be a activitiescausecombinationdefinitedifficultyearlyfarawayhalfincreasejournalnearonsetoutdoorspopulationreportrisescreensteenagerstermtime of factors. They did say that looking at computer activitiescausecombinationdefinitedifficultyearlyfarawayhalfincreasejournalnearonsetoutdoorspopulationreportrisescreensteenagerstermtime and mobile phones could be a leading activitiescausecombinationdefinitedifficultyearlyfarawayhalfincreasejournalnearonsetoutdoorspopulationreportrisescreensteenagerstermtime. Researchers said the sudden activitiescausecombinationdefinitedifficultyearlyfarawayhalfincreasejournalnearonsetoutdoorspopulationreportrisescreensteenagerstermtime in myopia may be linked to "lifestyle changes resulting from a combination of decreased time outdoors and increased near-work activitiescausecombinationdefinitedifficultyearlyfarawayhalfincreasejournalnearonsetoutdoorspopulationreportrisescreensteenagerstermtime". Science journalist Sarah Zhang said, "spending time outdoors, especially in activitiescausecombinationdefinitedifficultyearlyfarawayhalfincreasejournalnearonsetoutdoorspopulationreportrisescreensteenagerstermtime childhood, reduces the activitiescausecombinationdefinitedifficultyearlyfarawayhalfincreasejournalnearonsetoutdoorspopulationreportrisescreensteenagerstermtime of myopia". Professor Kovin Naidoo, a co-author of the report, offered some advice. He said: "You could spend a long activitiescausecombinationdefinitedifficultyearlyfarawayhalfincreasejournalnearonsetoutdoorspopulationreportrisescreensteenagerstermtime reading computers and screens, but also spend two hours activitiescausecombinationdefinitedifficultyearlyfarawayhalfincreasejournalnearonsetoutdoorspopulationreportrisescreensteenagerstermtime."