8Saw SM,Nieto FJ,Katz J. Familial clustering and myopia in Singapore school hildren[J].Opthalmie Epide,2001,(04):227-236.
9Zadnik K,Satariano W,Mutti DO. The effect of parental history of myopia on Children's eye size[J].Journal of the American Medical Association,1994,(17):1323-1327.
