Research objectives: identify some risk factors related to myopia scholars at Hanoi. Methods: cross sectional and prospective study in 2009. Research on 6.184 scholars (3,222 males and 2,962 females) from primary and secondary schools, of 4 districts in Hanoi, aged 6 -15 years. The study results showed that the rate of myopia was 33.7 percent (SE: or = - 0.75 D). Some risk factors related to myopia school Is a family that have myopia (OR = 5.54)
near look or = 8 hoursIday (OR = 8.19)
watching television, playing computer games or = 3 hours/day (OR = 11.78)
sitting posture while studying, reading books, newspapers (OR = 5.08).