Blurred left eye vision even 3 months after lasik.

Since the surgery the left eye vision is slightly blurred. The upper peripheral vision in left eye is clear but goes on blurring while moving down. Lower peripheral vision in left eye is very blurred. In other words keepin my face straight i can see d roof clearly but not the floor. I had no astigmatism before. Had -5.50 spherical in left eye. Got check up done and doc said dat may b d tear film is not stabilising. Even dint find d solution or cause of problem in internet. How can dos be resolved ?

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