Outdoor activities can effectively prevent and control myopia, but the prerequisite is that you must use the right methods!

The longer the outdoor time, the lower the risk of developing myopia. Adding an additional 60 to 80 minutes of outdoor time per day can reduce the risk of myopia by 45% to 50%. In addition to the existing outdoor time, experts currently recommend at least 2 hours of outdoor activity per day to prevent myopia more effectively.

At the same time, it is not required to concentrate all 2 hours of outdoor time every day. Fragmented outdoor activities have been shown in research to be more effective, such as increasing activity time during breaks, walking or cycling to and from school, which are also ways to increase outdoor activities and can be counted.

Is the light intensity sufficient

The outdoor lighting intensity is several hundred to several thousand times that of indoor lighting, with indoor lighting intensity ranging from 100 to 500 lux. In summer, the outdoor lighting intensity can reach 100000 lux, and even in the evening, it can reach 10000 lux.

Animal studies have shown that increasing the light intensity to over 10000 lux can greatly suppress myopia. There are also studies showing that for humans, outdoor sunlight intensity and time jointly affect the effectiveness of myopia prevention.