I'm 22. I have lazy(right) eye from birth itself but noticed at the age of 18,undergone lazik for right eye at 18 but it did n't persist even for 2 months and undergone same surgery(for left eye) at 19 but the left eye power came to -0.75(after 3.5 years from the surgery) now and right eye has 15% vision. how to protect my both eyes and what are ways to improve the vision to survive for future?