which is the cause of myopia? Researchers in one country tracked more than 500 children with normal vision between the ages of 8-9 years, and found that the only environmental factor related to the development of myopia was the time the child was outdoors. Moreover, the child's myopia did It is related to the length of time outdoors, whether children are exercising, picnicking or just reading on the beach. Therefore, researchers believe that the more important cause of myopia may be whether the eyes are under bright light, and the light can protect them. eye. If the following are true, which one best supports the above views? ['Those children who stay longer outdoors have not reduced the time spent reading books, screens or close learning, and some children spend a very long time reading books and electronic screens outdoors.', 'Compared to chickens grown in general indoor light environments, chickens exposed to high light levels comparable to outdoor light experienced an approximately 60% reduction in experimentally induced myopia, and similar effects were found in rhesus monkeys.', 'The retina produces dopamine in accordance with the circadian rhythm, so that the eyeball can switch from night vision today vision. Under the dim light in the room during the day, the retina cycle will be disturbed, affecting the eyeball development.', 'A school requires that children go outdoors all day for a total of 80 minutes between classes, and are not allowed to stay indoors. One year later, 8% of children were diagnosed with myopia, while the myopia rate of children of the same age in a nearby school was 18 %.']