This is a pptx file that can be used for weak-sight or "lazy eye" training，or amblyopia_training, please use this file for your reference, please follow the doctor's priscription on how to use it. For people with good eye sight, don't ever watch it, or you could become short-sighted and get tired eyes. I don't take any responsibilities for any consequences of using this pptx file.
Dongguage/amblyopia_training
This is an pptx file that can be used for weak-sight training, for my daughter, and also for all people who has amblyopia. 弱视训练