my mother's age is 42, she had phacoemulsification last 5 years ago one right eye. on 15th January 2016 suddenly got whitness in eye during cooking, after checkup from ophthalmologist he told the retina detached, we had a retina surgery using silicon oil but unfortunately the some amount of oil came out in inferior, that was removed after a month during the month she can see only 1 meter distance, when doctor dripped out silicon the cornea was swelled and once again another surgery was done after 7 days, now she can not see anything except a light is blinking in right corner of eye and sometime a blue sky color in eye, there is no different in eyes are open or closed. Is this possible that she can see again we are very upset because another eye is already dead since last 10 years. Or is there any possibility that we can change retina. hope will get a proper response