From the mother's information. Patients can see and follow an object in front of them and they are to convert the clip.From observing a patient can be looked as an object that is in front, including a handful of students were translating finger clip.
From the data of mother Patients can be seen and looked at the object in front and the middle one clutching an object of observation, patients can see the object in front of students, including finger grip on the middle one.
From the data of the mother. Patients can see and look at objects in front of and the objects for a second from observing patients can see objects in front of and the fingers of the students for a minute!