I heard that consumption of Alaska fish oil may improve child's myopia. Is there any basis for such consumption ?

hmm.. I have not heard of that. The best way to prevent or delay the progression is to take frequent breaks and cultivating good eye habits. These will help reduce the strain on the eyes. http://www.healthxchange.com.sg/healthyliving/childrenhealth/Pages/Childhood-Myopia-Tips-for-Parents.aspx