Surgery for a tumor in my eyes

Hi, my name is Hadley I’m in a desperate needing surgery in right eye I am a service animal for a deaf person. I have my companion to get around safely if I lose my right eye then I will have problems to make sure that she gets around all right I have a tumor of the size of a dime two nickels it is it be removed before it to blind me anything will help to help my companion to complete my surgery