Help for my father to see better again

I am a single mother with a small boy. We live with my dad. He is 77 years old and he can not see properly and need an operation to his eyes for better life. He has 75% vision lost. With my salary is hard to safe some money. I really value your support for helping my dad. We will go to Varna where are the best eye doctors. It is really important to me to help my dad and to do everything I can for him to see better again.

Thanks in advance!