摘要英文-- Abstract Objectives To investigate myopia progression of middle school students and analyze the causes and the correlative factors of degenerative myopia.Methods Adolescents with myopia in seven middle schools in local city were investigated and 50students were selected as study objects.Results In 50students,32students had degenerative myopia in the past three years.The rate of degenerative increased with the advancement of the grade.In senior middle schools,the rate was different from that in junior middle schools.As to the correlative factors,上一页 [1] [2] [3] [4] [5] [6] 下一页 |